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Karl Fischer solvent VK Hi‑Dry KF

for aldehydes & ketones
K5246

1LT K5246M

Dgr H:300+310+330-351-361d-372-315-319

P:201-260v-280f-302+350-304+340-305+351+338-308+313

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Use in conjunction with Karl Fischer reagent VCK5 (ROMIL K5235).
Protect from atmospheric moisture.

Application: Solvent for volumetric KF titration of aldehydes and ketones

1LT K5246M

Dgr H:300+310+330-351-361d-372-315-319

P:201-260v-280f-302+350-304+340-305+351+338-308+313

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Karl Fischer solvent VKM Hi‑Dry KF

for aldehydes & ketones
K5257

1LT K5257M

Dgr H:226-302-331-315-318-336-351-360D-372

P:201-210-280-304+340-305+351+338-308+313-403+233

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Use in conjunction with Karl Fischer reagent VCK5 (ROMIL K5235).
Protect from atmospheric moisture.

Application: Solvent for volumetric KF titration of aldehydes and ketones

1LT K5257M

Dgr H:226-302-331-315-318-336-351-360D-372

P:201-210-280-304+340-305+351+338-308+313-403+233

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Karl Fischer solvent VKS Hi‑Dry KF

for aldehydes & ketones
K5268

500ml K5268P
1LT K5268M

Dgr H:226-315-318-360D-336

P:201-210-280-304+340-305+351+338-308+313

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Use in conjunction with Karl Fischer reagent VCK5 (ROMIL K5235).
Protect from atmospheric moisture.

Application: Solvent (halogenated hydrocarbon-free) for volumetric KF titration of aldehydes and ketones

500ml K5268P
1LT K5268M

Dgr H:226-315-318-360D-336

P:201-210-280-304+340-305+351+338-308+313

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Karl Fischer solvent VOC Hi‑Dry KF

for oils and fats
K5373

1LT K5373M

Dgr H:226-302+312-331-315-319-351-361d-370-372

P:201-210-261v-280f-304+340-305+351+338-308+313

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Use in conjunction with Karl Fischer reagent VC? (ROMIL K510?).
Protect from atmospheric moisture.

Application: Solvent (chloroform-based) for volumetric KF titration of oils and fats

1LT K5373M

Dgr H:226-302+312-331-315-319-351-361d-370-372

P:201-210-261v-280f-304+340-305+351+338-308+313

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Karl Fischer solvent VOH Hi‑Dry KF

for oils and fats
K5352

1LT K5352M

Dgr H:225-301+311+331-319-370

P:210-280f-302+352-309+310-403+235

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Use in conjunction with Karl Fischer reagent VC? (ROMIL K510?).
Protect from atmospheric moisture.

Application: Solvent (hexan-1-ol-based) for volumetric KF titration of oils and fats

1LT K5352M

Dgr H:225-301+311+331-319-370

P:210-280f-302+352-309+310-403+235

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Karl Fischer solvent VOX Hi‑Dry KF

for crude oils
K5331

1LT K5331M
2½LT K5331L

Dgr H:225-302-311+331-314-351-360D-370-372

P:201-210-280-304+340-305+351+338-308+313

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Use in conjunction with Karl Fischer reagent VC? (ROMIL K510?).
Protect from atmospheric moisture.

Application: Solvent (xylene-based) for volumetric KF titration of crude oils

1LT K5331M
2½LT K5331L

Dgr H:225-302-311+331-314-351-360D-370-372

P:201-210-280-304+340-305+351+338-308+313

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Karl Fischer solvent VS Hi‑Dry KF
K6200

1LT K6200M
2½LT K6200L

Dgr H:225-301+311+331-314-360D-370

P:201-210-280-302+352-309+310-403+235

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Use in conjunction with Karl Fischer titrant VT? (ROMIL K621?).
Protect from atmospheric moisture.
Replace cap tightly immediately after use.

Application: Solvent component (methanol-based) of pyridine-free 2-part system for volumetric KF titration (general purpose)

1LT K6200M
2½LT K6200L

Dgr H:225-301+311+331-314-360D-370

P:201-210-280-302+352-309+310-403+235

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Karl Fischer solvent VSA1.67 Hi‑Dry KF

acid buffer
K6717

1LT K6717M

Dgr H:225-301+311+331-314-360D-370

P:201-210-280f-302+352-309+310-403+235

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d 0.79

Buffer capacity 1.67 mmol acid/ml
Protect from atmospheric moisture.
Replace cap tightly immediately after use.

Application: Buffer solvent for volumetric KF titration

1LT K6717M

Dgr H:225-301+311+331-314-360D-370

P:201-210-280f-302+352-309+310-403+235

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Karl Fischer solvent VSA5 Hi‑Dry KF

acid buffer
K6735

500ml K6735P
1LT K6735M

Dgr H:225-301+311+331-314-360D-370

P:201-210-280-302+352-309+310-403+235

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d 0.79

Buffer capacity 5 mmol acid/ml
Protect from atmospheric moisture.
Replace cap tightly immediately after use.

Application: Buffer solvent for volumetric KF titration

500ml K6735P
1LT K6735M

Dgr H:225-301+311+331-314-360D-370

P:201-210-280-302+352-309+310-403+235

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Karl Fischer solvent VSO Hi‑Dry KF

for oils
K6524

1LT K6524M

Dgr H:225-301+311+331-314-360D-370

P:201-210-280-302+352-309+310-403+235

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Use in conjunction with Karl Fischer titrant VT? (ROMIL K621?).
Protect from atmospheric moisture.
Replace cap tightly immediately after use.

Application: Solvent component of pyridine-free 2-part system for volumetric KF titration of oils

1LT K6524M

Dgr H:225-301+311+331-314-360D-370

P:201-210-280-302+352-309+310-403+235

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Karl Fischer solvent VSOF Hi‑Dry KF

for oils and fats
K6586

1LT K6586M
2½LT K6586L

Dgr H:226-302+312-331-314-351-360D-370-372

P:201-210-261v-280f-304+340-305+351+338-308+313

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Use in conjunction with Karl Fischer titrant VT? (ROMIL K621?).
Protect from atmospheric moisture.
Replace cap tightly immediately after use.

Application: Solvent component (chloroform-based) of pyridine-free 2-part system for volumetric KF titration of oils and fats

1LT K6586M
2½LT K6586L

Dgr H:226-302+312-331-314-351-360D-370-372

P:201-210-261v-280f-304+340-305+351+338-308+313

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White Spirit SA
A9864

1LT A9864M
2½LT A9864L
25LT A9864G

Dgr H:226-302+312+332-304-315-319-334-411

P:261v-273-280f-301+310-331-305+351+338

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(Turpentine substitute, Stoddard solvent)
BP 150-200°C d 0.77 CAS [8052-41-3]

Water <0.02% Residue <0.001%
Comprises a refined mixture of mainly C9-C12 hydrocarbons being n-alkanes, iso-alkanes, cyclics and aromatics.
Aromatic hydrocarbons <25% v/v
Colour <10 APHA (Hazen)

1LT A9864M
2½LT A9864L
25LT A9864G

Dgr H:226-302+312+332-304-315-319-334-411

P:261v-273-280f-301+310-331-305+351+338

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White Spirit tech
RS864

2½LT RS864L
25LT RS864G

Dgr H:226-302+312+332-304-315-319-334-411

P:261v-273-280f-301+310-331-305+351+338

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(Turpentine substitute, Stoddard solvent)
BP 150-200°C d 0.77 CAS [8052-41-3]

Water <0.2%
Comprises a refined mixture of mainly C9-C12 hydrocarbons being n-alkanes, iso-alkanes, cyclics and aromatics.

2½LT RS864L
25LT RS864G

Dgr H:226-302+312+332-304-315-319-334-411

P:261v-273-280f-301+310-331-305+351+338

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Acetic Acid PUROM
P5014

25LT P5014G
200LT P5014D

Dgr H:226-314

P:280c-301+330+331-305+351+338-307+310

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(Acetic Acid glacial)
CH3COOH MW 60.05 FP 16.7°C BP 117.9°C d 1.05 CAS [64-19-7]

Assay >99.8% Water <0.1% Residue <0.0005%

Application: High purity process solvent

25LT P5014G
200LT P5014D

Dgr H:226-314

P:280c-301+330+331-305+351+338-307+310

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Acetone PUROM
P5031

25LT P5031G
200LT P5031D

Dgr H:225-319-336-EUH066

P:210-233-305+351+338

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(Propanone)
(CH3)2CO MW 58.08 BP 56.1°C d 0.79 CAS [67-64-1]

Assay >99.9% Water <0.2% Residue <0.0005%

Application: High purity process solvent

25LT P5031G
200LT P5031D

Dgr H:225-319-336-EUH066

P:210-233-305+351+338

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Acetonitrile PUROM
P5048

25LT P5048G
200LT P5048D

Dgr H:225-302+312+332-319

P:210-240-302+352-305+351+338-403+233

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(Methyl Cyanide)
CH3CN MW 41.05 BP 81.6°C d 0.78 CAS [75-05-8]

Assay >99.9% Water <0.01% Residue <0.0005%

Application: High purity process solvent

25LT P5048G
200LT P5048D

Dgr H:225-302+312+332-319

P:210-240-302+352-305+351+338-403+233

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Acetonitrile PUROM

for preparative HPLC
P5046

25LT P5046G
200LT P5046D

Dgr H:225-302+312+332-319

P:210-240-302+352-305+351+338-403+233

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(Methyl Cyanide)
CH3CN MW 41.05 BP 81.6°C d 0.78 CAS [75-05-8]

Assay >99.9% Water <0.03% Residue <0.0005%
UV: 230nm >70%; 280nm >95%

Application: High purity process solvent for preparative HPLC

25LT P5046G
200LT P5046D

Dgr H:225-302+312+332-319

P:210-240-302+352-305+351+338-403+233

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Acetonitrile UpS

ultra pfas
H052

1LT H052M
2½LT H052L

Dgr H:225-302+312+332-319

P:210-240-302+352-305+351+338-403+233

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(Methyl Cyanide)
CH3CN MW 41.05 BP 81.6°C d 0.78 CAS [75-05-8]

Assay >99.9% Water <0.005% Residue <0.0001%
UV: 190nm >18%; 193nm >50%; 197nm >80%; 215nm >95%; 230-400nm >99%
Acidity <0.0005 meq/g
Alkalinity <0.00006 meq/g
Gradient Use Test: 205nm <0.002 AU; 254nm <0.0005 AU
Baseline drift <0.02 AU @ 205nm
Fluorescence (as quinine): 254nm <1 ppb; 365nm <1 ppb
Suitability for LC-MS passes test
Trace ionic impurities:
Ag, Cu, Fe, K, Mg, Mn, Ni, Pb, Zn <10 ppb each
Al, Ca <25 ppb each
Na <50 ppb
Suitability for PFAS analysis passes test

Application: Ultra low background solvent for LC-MS analysis of poly- and per-fluoroalkyl substances

1LT H052M
2½LT H052L

Dgr H:225-302+312+332-319

P:210-240-302+352-305+351+338-403+233

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Butan-1-ol PUROM
P5083

25LT P5083G
200LT P5083D

Dgr H:226-302-315-318-335-336

P:210-280f-302+352-304+340-305+351+338-313

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(n-Butanol, n-Butyl Alcohol)
CH3(CH2)3OH MW 74.12 BP 117.7°C d 0.81 CAS [71-36-3]

Assay >99.8% Water <0.05% Residue <0.0005%

Application: High purity process solvent

25LT P5083G
200LT P5083D

Dgr H:226-302-315-318-335-336

P:210-280f-302+352-304+340-305+351+338-313

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Chloroform Hi‑Dry KF

stabilised with amylene
K8140

1LT K8140M

Dgr H:351-361d-331-302-372-319-315

P:261v-280f-304+340-305+351+338-308+313

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(Trichloromethane)
CHCl3 MW 119.38 BP 61.2°C d 1.48 CAS [67-66-3]

Water <0.0100%
Stabiliser: Amylene ca. 25 ppm

Application: Solvent for KF sample dissolution

1LT K8140M

Dgr H:351-361d-331-302-372-319-315

P:261v-280f-304+340-305+351+338-308+313

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Chloroform PUROM

stabilised with amylene
P5140

200LT P5140D

Dgr H:351-361d-331-302-372-319-315

P:261v-280f-304+340-305+351+338-308+313

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(Trichloromethane)
CHCl3 MW 119.38 BP 61.2°C d 1.48 CAS [67-66-3]

Assay >99.9%* Water <0.005% Residue <0.0005%
*ex stabiliser
Stabiliser: Amylene ca. 25 ppm

Application: High purity process solvent

200LT P5140D

Dgr H:351-361d-331-302-372-319-315

P:261v-280f-304+340-305+351+338-308+313

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Chloroform PUROM

stabilised with ethanol
P5135

200LT P5135D

Dgr H:351-361d-331-302-372-319-315

P:261v-280f-304+340-305+351+338-308+313

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(Trichloromethane)
CHCl3 MW 119.38 BP 61.2°C d 1.48 CAS [67-66-3]

Assay >99.9%* Water <0.005% Residue <0.0005%
*ex stabiliser
Stabiliser: Ethanol ca. 1% w/w
Stabiliser should only be removed immediately before use by adsorption onto activated alumina.

Application: High purity process solvent

200LT P5135D

Dgr H:351-361d-331-302-372-319-315

P:261v-280f-304+340-305+351+338-308+313

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Dichloromethane PUROM

stabilised with amylene
P5202

25LT P5202G
200LT P5202D

Wng H:351

P:281-308+313

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(Methylene Dichloride)
CH2Cl2 MW 84.93 BP 39.6°C d 1.33 CAS [75-09-2]

Assay >99.9%* Water <0.01% Residue <0.0005%
*ex stabiliser
Stabiliser: Amylene ca. 25 ppm

Application: High purity process solvent

25LT P5202G
200LT P5202D

Wng H:351

P:281-308+313

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Diethyl Ether PUROM

stabilised with BHT
P5220

25LT P5220G
200LT P5220D

Dgr H:224-302-336-EUH019-EUH066

P:210-240-403+235

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(C2H5)2O MW 74.12 BP 34.4°C d 0.71 CAS [60-29-7]

Assay >99.9%* Water <0.02% Residue <0.0005%*
*ex stabiliser
Peroxides (at time of manufacture) <0.0001% (<1 ppm)
Stabiliser: Butylated hydroxytoluene (BHT) ca. 5 ppm

Application: High purity process solvent

25LT P5220G
200LT P5220D

Dgr H:224-302-336-EUH019-EUH066

P:210-240-403+235

View Jump Clear

Dimethylformamide PUROM
P5253

25LT P5253G
200LT P5253D

Dgr H:360D-226-312+332-319

P:201-210-302+352-305+351+338-308+313

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HCON(CH3)2 MW 73.09 BP 153.0°C d 0.95 CAS [68-12-2]

Assay >99.9% Water <0.03% Residue <0.0005%

Application: High purity process solvent

25LT P5253G
200LT P5253D

Dgr H:360D-226-312+332-319

P:201-210-302+352-305+351+338-308+313

View Jump Clear

1,4-Dioxan PUROM
P5297

25LT P5297G
200LT P5297D

Dgr H:225-350-319-335-EUH019-EUH066

P:210-281-305+351+338-308+313

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C4H8O2 MW 88.11 FP 11.8°C BP 101.3°C d 1.03 CAS [123-91-1]

Assay >99.9% Water <0.005% Residue <0.0005%
Unstabilised
Peroxides (at time of manufacture) <0.0001% (<1 ppm)

Application: High purity process solvent

25LT P5297G
200LT P5297D

Dgr H:225-350-319-335-EUH019-EUH066

P:210-281-305+351+338-308+313

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1,4-Dioxan SpS
H297

500ml H297P
1LT H297M
2½LT H297L

Dgr H:225-350-319-335-EUH019-EUH066

P:210-281-305+351+338-308+313

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C4H8O2 MW 88.11 FP 11.8°C BP 101.3°C d 1.03 CAS [123-91-1]

Assay >99.9% Water <0.005% Residue <0.0001%
UV: 220nm >10%; 240nm >50%; 250nm >80%; 280nm >95%; 300-400nm >99%
Unstabilised
Peroxides (at time of manufacture) <0.0001% (<1 ppm)

Application: HPLC, GC, UV Spectroscopy, Liquid Scintillation, Applications requiring dry solvent

500ml H297P
1LT H297M
2½LT H297L

Dgr H:225-350-319-335-EUH019-EUH066

P:210-281-305+351+338-308+313

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Ethanol absolute PUROM
P5314

25LT P5314G
200LT P5314D

Dgr H:225

P:210-233-240-403+235

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(Ethyl Alcohol)
C2H5OH MW 46.07 BP 78.3°C d 0.79 CAS [64-17-5]

Assay >99.8% Water <0.1% Residue <0.0005%

Application: High purity process solvent

25LT P5314G
200LT P5314D

Dgr H:225

P:210-233-240-403+235

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Ethyl Acetate PUROM
P5346

25LT P5346G
200LT P5346D

Dgr H:225-319-336-EUH066

P:210-233-240-305+351+338-403+235

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CH3COOC2H5 MW 88.11 BP 77.1°C d 0.90 CAS [141-78-6]

Assay >99.9% Water <0.005% Residue <0.0005%

Application: High purity process solvent

25LT P5346G
200LT P5346D

Dgr H:225-319-336-EUH066

P:210-233-240-305+351+338-403+235

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Formamide Hi‑Dry KF
K8351

1LT K8351M

Dgr H:360D

P:201-308+313

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HCONH2 MW 45.04 FP 2.5°C BP 210.5°C d 1.13 CAS [75-12-7]

Water <0.0200%
Protect from atmospheric moisture.
Replace cap tightly immediately after use.
Store in dark.

Application: Solvent for KF sample dissolution

1LT K8351M

Dgr H:360D

P:201-308+313

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GC Extraction mix CE1 SpS

cyclohexane/ethyl acetate 50:50
R3502

1LT R3502M
2½LT R3502L

Dgr H:225-304-315-319-336-410-EUH066

P:210-233-240-273-301+310-302+352-331-403+235

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2 components:
Cyclohexane (ROMIL H156) 50% v/v ±1%
Ethyl Acetate (ROMIL H346) 50% v/v ±1%

Application: Ready to use extraction solvent for GC

1LT R3502M
2½LT R3502L

Dgr H:225-304-315-319-336-410-EUH066

P:210-233-240-273-301+310-302+352-331-403+235

View Jump Clear

n-Heptane 95% PUROM
P5367

25LT P5367G
200LT P5367D

Dgr H:225-304-315-336-410

P:210-273-301+310-331-302+352-304+340-403+235

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CH3(CH2)5CH3 MW 100.21 BP 94-98°C d 0.68 CAS [142-82-5]

Water <0.005% Residue <0.0005%
Assay (n-isomer) >95%
Assay (all isomers) >99.5%

Application: High purity process solvent

25LT P5367G
200LT P5367D

Dgr H:225-304-315-336-410

P:210-273-301+310-331-302+352-304+340-403+235

View Jump Clear

n-Heptane 99% PUROM
P5366

25LT P5366G
200LT P5366D

Dgr H:225-304-315-336-410

P:210-273-301+310-331-302+352-304+340-403+235

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CH3(CH2)5CH3 MW 100.21 BP 98.4°C d 0.68 CAS [142-82-5]

Assay >99% Water <0.005% Residue <0.0005%

Application: High purity process solvent

25LT P5366G
200LT P5366D

Dgr H:225-304-315-336-410

P:210-273-301+310-331-302+352-304+340-403+235

View Jump Clear

Hexane fraction PUROM
P5390

25LT P5390G
200LT P5390D

Dgr H:225-304-361f-373-315-336-411

P:210-240-273-301+310-331-302+352-403+235

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C6H14 BP 65-70°C d 0.66 CAS [73513-42-5]

Water <0.005% Residue <0.0005%
Comprises ca. 50% n-isomer, the remainder being predominantly other isomers of hexane.

Application: High purity process solvent

25LT P5390G
200LT P5390D

Dgr H:225-304-361f-373-315-336-411

P:210-240-273-301+310-331-302+352-403+235

View Jump Clear

iso-Hexane 95% PUROM
P5388

25LT P5388G
200LT P5388D

Dgr H:225-304-315-336-411

P:233-273-301+310-331-302+352-403+235

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C6H14 MW 86.18 BP 55-63°C d 0.65 CAS [107-83-5]

Water <0.005% Residue <0.0005%
n-Hexane <5%

Application: High purity process solvent

25LT P5388G
200LT P5388D

Dgr H:225-304-315-336-411

P:233-273-301+310-331-302+352-403+235

View Jump Clear

n-Hexane 95% PUROM
P5389

25LT P5389G
200LT P5389D

Dgr H:225-304-361f-373-315-336-411

P:210-240-273-301+310-331-302+352-403+235

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CH3(CH2)4CH3 MW 86.18 BP 67-70°C d 0.66 CAS [110-54-3]

Water <0.005% Residue <0.0005%
Assay (n-isomer) >95%
Assay (all isomers) >99.5%

Application: High purity process solvent

25LT P5389G
200LT P5389D

Dgr H:225-304-361f-373-315-336-411

P:210-240-273-301+310-331-302+352-403+235

View Jump Clear

LC Eluant mix MAA1 UpS

methanol with ammonium acetate 5mM ultra pfas
R8056

1LT R8056M
2½LT R8056L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

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2 components:
Methanol (ROMIL H414)
containing
Ammonium Acetate (ROMIL HR079) 5 mM

Application: Ultra low background solvent for LC-MS analysis of poly- and per-fluoroalkyl substances

1LT R8056M
2½LT R8056L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

View Jump Clear

Methanol Hi‑Dry KF
K8408

1LT K8408M
2½LT K8408L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

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(Methyl Alcohol)
CH3OH MW 32.04 BP 64.5°C d 0.79 CAS [67-56-1]

Water <0.0100%
Protect from atmospheric moisture.
Replace cap tightly immediately after use.

Application: General purpose solvent for KF sample dissolution

1LT K8408M
2½LT K8408L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

View Jump Clear

Methanol PUROM
P5410

25LT P5410G
200LT P5410D

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

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(Methyl Alcohol)
CH3OH MW 32.04 BP 64.5°C d 0.79 CAS [67-56-1]

Assay >99.9% Water <0.02% Residue <0.0005%

Application: High purity process solvent

25LT P5410G
200LT P5410D

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

View Jump Clear

Methanol PUROM

for preparative HPLC
P5408

25LT P5408G
200LT P5408D

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

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(Methyl Alcohol)
CH3OH MW 32.04 BP 64.5°C d 0.79 CAS [67-56-1]

Assay >99.8% Water <0.05% Residue <0.0005%
UV: 225nm >50%; 255nm >95%

Application: High purity process solvent for preparative HPLC

25LT P5408G
200LT P5408D

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

View Jump Clear

Methanol 205 SpS

gradient quality
H410

500ml H410P
1LT H410M
2½LT H410L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

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(Methyl Alcohol)
CH3OH MW 32.04 BP 64.5°C d 0.79 CAS [67-56-1]

Assay >99.9% Water <0.02% Residue <0.0001%
UV: 205nm >10%; 210nm >50%; 225nm >80%; 240nm >95%; 265-400nm >99%
Acidity <0.0003 meq/g
Alkalinity <0.0002 meq/g
HPLC Gradient Use Test:
230nm <0.005 AU
254nm <0.005 AU
Conforms to ACS liquid chromatography suitability.
Pesticide Residue Analysis passes test
Fluorescence Spectroscopy passes test

Application: Gradient HPLC, GC, UV, Environment Analysis (eg, pesticide residues), Applications requiring dry solvent, Non-aqueous Titrations, Liquid Scintillation, Molecular Biology, Fluorescence Spectroscopy

500ml H410P
1LT H410M
2½LT H410L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

View Jump Clear

Methanol UpS

ultra pfas
H414

1LT H414M
2½LT H414L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

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(Methyl Alcohol)
CH3OH MW 32.04 BP 64.5°C d 0.79 CAS [67-56-1]

Assay >99.9% Water <0.02% Residue <0.0001%
UV: 205nm >10%; 210nm >50%; 225nm >80%; 240nm >95%; 265-400nm >99%
Acidity <0.0003 meq/g
Alkalinity <0.0002 meq/g
Gradient Use Test: 230nm <0.002 AU; 254nm <0.002 AU
Baseline drift <0.02 @ 230nm
Fluorescence (as quinine): 254nm <1 ppb; 365nm <1 ppb
Suitability for LC-MS passes test
Trace ionic impurities:
Ag, Cu, Fe, K, Mg, Mn, Ni, Pb, Zn <10 ppb each
Al, Ca <25 ppb each
Na <50 ppb
Suitability for PFAS analysis passes test

Application: Ultra low background solvent for LC-MS analysis of poly- and per-fluoroalkyl substances

1LT H414M
2½LT H414L

Dgr H:225-301+311+331-370

P:210-280f-302+352-309+310-403+235

View Jump Clear

Methyl tert-Butyl Ether PUROM
P5447

25LT P5447G
200LT P5447D

Dgr H:225-315

P:210-233-302+352-403+235

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(tert-Butyl Methyl Ether)
CH3OC(CH3)3 MW 88.15 BP 55.4°C d 0.74 CAS [1634-04-4]

Assay >99.7% Water <0.02% Residue <0.0005%
Peroxides (at time of manufacture) <0.0001% (<1 ppm)

Application: High purity process solvent

25LT P5447G
200LT P5447D

Dgr H:225-315

P:210-233-302+352-403+235

View Jump Clear

N-Methyl-2-pyrrolidone SpS
H565

500ml H565P
1LT H565M
2½LT H565L

Dgr H:360D-315-319-335

P:201-302+352-305+351+338-308+313

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CH2(CH2)2CONCH3 MW 99.13 BP 202.0°C d 1.03 CAS [872-50-4]

Assay >99.5% Water <0.05%
UV: 295nm >10%; 300nm >50%; 320nm >80%; 360nm >95%; 395-400nm >99%

Application: Molecular Biology (eg, DNA synthesis), Versatile and powerful solvent properties

500ml H565P
1LT H565M
2½LT H565L

Dgr H:360D-315-319-335

P:201-302+352-305+351+338-308+313

View Jump Clear

2-Methyltetrahydrofuran PUROM
P5536

25LT P5536G
200LT P5536D

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

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CH3C4H7O MW 86.13 BP 80°C d 0.86 CAS [96-47-9]

Assay >99.8% Water <0.01% Residue <0.0005%
Unstabilised
Peroxides (at time of manufacture) <0.0001% (<1 ppm)

Application: High purity process solvent

25LT P5536G
200LT P5536D

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

View Jump Clear

2-Methyltetrahydrofuran SpS
H536

500ml H536P
1LT H536M
2½LT H536L

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

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CH3C4H7O MW 86.13 BP 80°C d 0.86 CAS [96-47-9]

Assay >99.8% Water <0.01% Residue <0.0001%
UV: 245nm >10%; 250nm >50%; 270nm >80%; 295nm >95%; 360-400nm >99%
Unstabilised
Peroxides (at time of manufacture) <0.0001% (<1 ppm)

Application: Applications requiring dry solvent

500ml H536P
1LT H536M
2½LT H536L

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

View Jump Clear

2-Methyltetrahydrofuran PUROM

stabilised with BHT
P5537

25LT P5537G
200LT P5537D

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

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CH3C4H7O MW 86.13 BP 80°C d 0.86 CAS [96-47-9]

Assay >99.8%* Water <0.01% Residue <0.0005%*
*ex stabiliser
Peroxides (at time of manufacture) <0.0001% (<1 ppm)
Stabiliser: Butylated hydroxytoluene (BHT) ca. 250 ppm

Application: High purity process solvent

25LT P5537G
200LT P5537D

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

View Jump Clear

2-Methyltetrahydrofuran SpS

stabilised with BHT
H537

500ml H537P
1LT H537M
2½LT H537L

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

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CH3C4H7O MW 86.13 BP 80°C d 0.86 CAS [96-47-9]

Assay >99.8%* Water <0.01% Residue <0.0001%*
*ex stabiliser
Peroxides (at time of manufacture) <0.0001% (<1 ppm)
Stabiliser: Butylated hydroxytoluene (BHT) ca. 250 ppm

Application: Applications requiring dry solvent

500ml H537P
1LT H537M
2½LT H537L

Dgr H:225-302-315-318-EUH019

P:210-240-305+351+338-308+313-403+235

View Jump Clear

n-Pentane 95% PUROM
P5571

25LT P5571G
200LT P5571D

Dgr H:225-304-336-411-EUH066

P:273-301+310-331-403+235

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CH3(CH2)3CH3 MW 72.15 BP 35.5-37°C d 0.63 CAS [109-66-0]

Water <0.005% Residue <0.0005%
Assay (n-isomer) >95%
Assay (all isomers) >99.5%

Application: High purity process solvent

25LT P5571G
200LT P5571D

Dgr H:225-304-336-411-EUH066

P:273-301+310-331-403+235

View Jump Clear

Petroleum Ether 40-60°C PUROM
P5601

25LT P5601G
200LT P5601D

Dgr H:225-304-336-411-EUH066

P:210-233-243-273-280-301+310-303+361+353-304+340-331-403+235

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(Petroleum Distillate, Petroleum Spirit)
BP 40-60°C d 0.64 CAS [8032-32-4]

Water <0.005% Residue <0.0005%

Application: High purity process solvent

25LT P5601G
200LT P5601D

Dgr H:225-304-336-411-EUH066

P:210-233-243-273-280-301+310-303+361+353-304+340-331-403+235

View Jump Clear

Petroleum Ether 60-80°C PUROM
P5602

25LT P5602G
200LT P5602D

Dgr H:225-304-315-336-411

P:210-243-273-280-301+310-331-403+235

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(Petroleum Distillate, Petroleum Spirit)
BP 60-80°C d 0.67

Water <0.005% Residue <0.0005%

Application: High purity process solvent

25LT P5602G
200LT P5602D

Dgr H:225-304-315-336-411

P:210-243-273-280-301+310-331-403+235

View Jump Clear

Propan-1-ol PUROM
P5624

25LT P5624G
200LT P5624D

Dgr H:225-318-336

P:210-233-280f-305+351+338-313

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(n-Propanol, n-Propyl Alcohol)
CH3CH2CH2OH MW 60.10 BP 97.2°C d 0.80 CAS [71-23-8]

Assay >99.9% Water <0.05% Residue <0.0005%

Application: High purity process solvent

25LT P5624G
200LT P5624D

Dgr H:225-318-336

P:210-233-280f-305+351+338-313

View Jump Clear

Propan-2-ol PUROM
P5625

25LT P5625G
200LT P5625D

Dgr H:225-319-336

P:210-233-305+351+338

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(iso-Propanol, iso-Propyl Alcohol)
(CH3)2CHOH MW 60.10 BP 82.2°C d 0.78 CAS [67-63-0]

Assay >99.9% Water <0.02% Residue <0.0005%

Application: High purity process solvent

25LT P5625G
200LT P5625D

Dgr H:225-319-336

P:210-233-305+351+338

View Jump Clear

Sodium Sulphate anhydrous SA

granules
A7746

500g A7746P
1KG A7746M
2½KG A7746L
10KG A7746J

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Na2SO4 MW 142.04 d 1.70 CAS [7757-82-6]

Assay >99%
pH (5% aqueous) 5.2-9.2
Insoluble matter <0.01%
Chloride <0.001%
Heavy metals as Pb <0.0005%
Form: granules
Adsorbs moisture from air.

Application: Drying agent for solvents and gases

500g A7746P
1KG A7746M
2½KG A7746L
10KG A7746J

View Jump Clear

Tetrachloroethylene PUROM
P5702

25LT P5702G
200LT P5702D

Wng H:315-317-319-336-351-411

P:273-281-302+352-305+351+338-308+313

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(Perchloroethylene)
CCl2CCl2 MW 165.83 BP 121.1°C d 1.62 CAS [127-18-4]

Assay >99.9% Water <0.005% Residue <0.0005%
Unstabilised

Application: High purity process solvent

25LT P5702G
200LT P5702D

Wng H:315-317-319-336-351-411

P:273-281-302+352-305+351+338-308+313

View Jump Clear

Tetrahydrofuran PUROM
P5718

25LT P5718G
200LT P5718D

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

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CH2(CH2)2CH2O MW 72.11 BP 66.0°C d 0.89 CAS [109-99-9]

Assay >99.9% Water <0.005% Residue <0.0005%
Unstabilised
Peroxides (at time of manufacture) <0.0001% (<1 ppm)

Application: High purity process solvent

25LT P5718G
200LT P5718D

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

View Jump Clear

Tetrahydrofuran SpS
H718

500ml H718P
1LT H718M
2½LT H718L

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

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CH2(CH2)2CH2O MW 72.11 BP 66.0°C d 0.89 CAS [109-99-9]

Assay >99.9% Water <0.005% Residue <0.0001%
UV: 215nm >10%; 235nm >50%; 255nm >80%; 275nm >95%; 295-400nm >99%
Unstabilised
Peroxides (at time of manufacture) <0.0001% (<1 ppm)

Application: HPLC, Gel Permeation Chromatography, UV Spectroscopy, Applications requiring dry solvent, Molecular Biology

500ml H718P
1LT H718M
2½LT H718L

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

View Jump Clear

Tetrahydrofuran PUROM

stabilised with BHT
P5719

25LT P5719G
200LT P5719D

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

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CH2(CH2)2CH2O MW 72.11 BP 66.0°C d 0.89 CAS [109-99-9]

Assay >99.9%* Water <0.005% Residue <0.0005%*
*ex stabiliser
Peroxides (at time of manufacture) <0.0001% (<1 ppm)
Stabiliser: Butylated hydroxytoluene (BHT) ca. 250 ppm

Application: High purity process solvent

25LT P5719G
200LT P5719D

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

View Jump Clear

Tetrahydrofuran SpS

stabilised with BHT
H719

500ml H719P
1LT H719M
2½LT H719L

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

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CH2(CH2)2CH2O MW 72.11 BP 66.0°C d 0.89 CAS [109-99-9]

Assay >99.9%* Water <0.005% Residue <0.0001%*
UV: 290nm >10%; 295nm >50%; 300nm >80%; 305nm >95%; 310-400nm >99%
*ex stabiliser
Peroxides (at time of manufacture) <0.0001% (<1 ppm)
Stabiliser: Butylated hydroxytoluene (BHT) ca. 250 ppm

Application: Applications requiring dry solvent, Analysis of vinyl chloride in PVC, Gel Permeation Chromatography

500ml H719P
1LT H719M
2½LT H719L

Dgr H:225-319-335-351-EUH019

P:210-240-305+351+338-308+313-403+233

View Jump Clear

Toluene PUROM
P5771

25LT P5771G
200LT P5771D

Dgr H:225-304-315-336-361d-373

P:210-240-301+310-331-302+352-403+235

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C6H5CH3 MW 92.14 BP 110.6°C d 0.87 CAS [108-88-3]

Assay >99.9% Water <0.01% Residue <0.0005%

Application: High purity process solvent

25LT P5771G
200LT P5771D

Dgr H:225-304-315-336-361d-373

P:210-240-301+310-331-302+352-403+235

View Jump Clear

2,2,4-Trimethylpentane PUROM
P5901

25LT P5901G
200LT P5901D

Dgr H:225-304-315-336-410

P:210-233-240-273-301+310-331-302+352-304+340-403+235

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(iso-Octane)
(CH3)3CCH2CH(CH3)2 MW 114.23 BP 99.2°C d 0.69 CAS [540-84-1]

Assay >99.75% Water <0.005% Residue <0.0005%

Application: High purity process solvent

25LT P5901G
200LT P5901D

Dgr H:225-304-315-336-410

P:210-233-240-273-301+310-331-302+352-304+340-403+235

View Jump Clear

Water PUROM
P5950

25LT P5950G
200LT P5950D

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H2O MW 18.02 FP 0.0°C BP 100.0°C CAS [7732-18-5]

Residue <0.0001%
Resistivity (at time of manufacture) >18 MOhm @ 25°C
pH (at time of manufacture) 5.5-8.0 @ 25°C

Application: High purity process solvent

25LT P5950G
200LT P5950D

View Jump Clear

Water PUROM

for preparative HPLC
P5948

25LT P5948G
200LT P5948D

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H2O MW 18.02 FP 0.0°C BP 100.0°C d 1.00 CAS [7732-18-5]

Residue <0.0005%
Resistivity (at time of manufacture) >18 MOhm @ 25°C
pH (at time of manufacture) 5.5-8.0 @ 25°C
TOC (at time of manufacture) <50 ppb

Application: High purity process solvent for preparative HPLC

25LT P5948G
200LT P5948D

View Jump Clear

Water UpS

ultra pfas
H952

1LT H952M
2½LT H952L

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H2O MW 18.02 FP 0.0°C BP 100.0°C d 1.00 CAS [7732-18-5]

Residue <0.00005%
Resistivity (at time of manufacture) >18 MOhm @ 25°C
pH (at time of manufacture) 5.5-8.0 @ 25°C
TOC (at time of manufacture) <10 ppb
Gradient Use Test: 205nm <0.002 AU; 254nm <0.0005 AU
Baseline drift <0.02 AU @ 205nm
Suitability for LC-MS passes test
Trace ionic impurities:
Ag, Cu, Fe, K, Mg, Mn, Ni, Pb, Zn <10 ppb each
Al, Ca <25 ppb each
Na <50 ppb
Suitability for PFAS analysis passes test
Filtered to 0.2 micron

Application: Ultra low background solvent for LC-MS analysis of poly- and per-fluoroalkyl substances

1LT H952M
2½LT H952L

View Jump Clear

Xylene Hi‑Dry KF
K8982

1LT K8982M

Wng H:226-312+332-315

P:210-302+352-304+340

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C6H4(CH3)2 MW 106.17 BP 138-142°C d 0.86 CAS [1330-20-7]

Water <0.0050%
Comprises 3 isomers and ethylbenzene

Application: Solvent for KF sample dissolution

1LT K8982M

Wng H:226-312+332-315

P:210-302+352-304+340

View Jump Clear

Xylene mixed isomers PUROM
P5982

25LT P5982G
200LT P5982D

Wng H:226-312+332-315

P:210-302+352-304+340

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C6H4(CH3)2 MW 106.17 BP 138-142°C d 0.86 CAS [1330-20-7]

Water <0.01% Residue <0.0005%
Comprises 3 isomers and ethylbenzene
Assay (total C8H10 isomers) >98.5%
Ethylbenzene typically <3%
Toluene typically <0.5%
Methylethylbenzene typically <0.5%

Application: High purity process solvent

25LT P5982G
200LT P5982D

Wng H:226-312+332-315

P:210-302+352-304+340

View Jump Clear

Fluorescence Spectrometry

Fluorescence Spectrometry A very low fluorescence background makes ROMIL‑SpS ^™ super purity solvents suitable for this useful technique as well as fluorescence detection in HPLC. Test for Fluorescen...

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Gas Chromatography

Gas Chromatography Low non-volatile residue levels due to glass distillation make ROMIL‑SpS ^™ super purity solvents suitable for simple analysis of pesticide and other extraction residues. The solvent may be ...

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Gas Chromatography-Mass Spectrometry

Gas Chromatography-Mass Spectrometry The pairing of gas chromatography with mass spectrometry (GC‑MS) results in a specific and sensitive technique for identifying and quantifying a wide range of relatively low molecular weight c...

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General Chemistry

General Chemistry Underlying the advanced analytical techniques in the modern chemical laboratory is general chemistry. As a subject in chemical education it concentrates on the basic knowledge and skills that all chemists need....

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High Performance Liquid Chromatography

High Performance Liquid Chromatography High chemical purity together with low water, acidity and residue levels lead to better separations and longer column life with ROMIL‑SpS ^™super purity solvents. Excell...

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Infra-Red Spectrometry

Infra-Red Spectrometry Clear infra-red windows in many ROMIL‑SpS ^™ super puritysolvents give a wide choice of suitable solvents. Test for Infra-Red Spectrometry:
An infra-red spect...

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Karl Fischer

Karl Fischer Karl Fischer reagents have been used for water determination in analytical laboratories for more than half a century. The original formulation, being based on pyridine became out of favour during the past 30 years du...

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Liquid Chromatography-Mass Spectrometry

Liquid Chromatography-Mass Spectrometry Liquid chromatography paired with mass spectrometry (LC‑MS) is an extremely sensitive technique and therefore requires solvents and eluants of the ultimate purity. ROMIL‑UpS ^™ <...

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Molecular Biology

Molecular Biology Some of the high purity requirements for solvents in molecular biology are similar to those for HPLC such as transparent UV and low water and residue levels. Thus many ROMIL‑SpS ^™ super purity

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Organic Synthesis

Organic Synthesis Many organic and organometallic synthetic methods specify a dry solvent as the reaction medium. The exceptional dryness exhibited by ROMIL‑SpS ^™ super purity solvents allows synthetic chemis...

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Preparative High Performance Liquid Chromatography

Preparative High Performance Liquid Chromatography In contrast to analytical HPLC, preparative HPLC separates and refines compounds following chemical synthesis or extraction from natural sources. In separating such compounds to...

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Process Chemistry

Process Chemistry Process chemistry is concerned with the development and optimisation of a synthetic scheme and manufacturing plant procedure for production of high value products such as pharmaceuticals and speciality inorganic...

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UV-Visible Spectrometry

UV-Visible Spectrometry Excellent optical purity with a smooth spectral curve renders ROMIL‑SpS ^™ super purity solvents suitable for all UV applications. For work at short wavelengths we recommend that the ...

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When referring to percent solutions what does %w/w, %w/v and %v/v mean?

Percentage weight for weight - %w/w This means the percent by weight of solute in the total weight of solution. Percent here is the number of grams of solute in 100 grams of solution. For example, a 10% w/w solution of sodium chloride would be mad...

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New Interactive Website Launches

We're proud to announce the launch of our new website, an easy-to-use, interactive resource for laboratory professionals requiring high purity solvents, acids, reagents and reference materials. This user-friendly, comprehensive reference site has been redesigned from the ground up and optimised for PCs, tablets and smartphones...

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Rebrand for Ultra Purity Products

We’ve re-branded our ultra purity ranges with a new label layout and colour. Purple has long been associated with the highest level of attainment; it represents royalty, imagination, wisdom, creativity and the future. It is the natural choice to denote our highest level of chemical purity, ROMIL Ultra Purity.

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Norm-Assured Solvents and Reagents to internat. standards

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ROMIL Hi-Dry^® Anhydrous Solvents

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ROMIL High Purity Solvent Mixes

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ROMIL P8-PUROM Bulk Solvents, customised specifications

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ROMIL Technical Grade Solvents and Acids

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ROMIL-BiO^™ BioPure Solvents

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ROMIL-PUROM^™ High Purity Process Solvents

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ROMIL-SA^™ Solvents and Acids for General Use

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ROMIL-SpS^™ Super Purity Solvent Mixes

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ROMIL-SpS^™ Super Purity Solvents

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ROMIL-UpS^™ Ultra Purity Solvent Mixes

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ROMIL-UpS^™ Ultra Purity Solvents

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Solvent-based Solutions, misc, from SA and lower grades

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A Unique Approach to Labelling

ROMIL solvents, acids and reagents are manufactured to a very high degree of purity, so much so that impurities can become more apparent when compared with lesser ‘analytical’ grades. Indeed, it is this pu...

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Towards Quality Results

From Pioneering Beginnings Take a closer look at ROMIL Founded by Dr Robert Lenk at Shepshed in Leicestershire UK, ROMIL Che...

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Karl Fischer solvent VK Hi‑Dry KF

Karl Fischer solvent VKM Hi‑Dry KF

Karl Fischer solvent VKS Hi‑Dry KF

Karl Fischer solvent VOC Hi‑Dry KF

Karl Fischer solvent VOH Hi‑Dry KF

Karl Fischer solvent VOX Hi‑Dry KF

Karl Fischer solvent VS Hi‑Dry KF

Karl Fischer solvent VSA1.67 Hi‑Dry KF

Karl Fischer solvent VSA5 Hi‑Dry KF

Karl Fischer solvent VSO Hi‑Dry KF

Karl Fischer solvent VSOF Hi‑Dry KF

White Spirit SA

White Spirit tech

Acetic Acid PUROM

Acetone PUROM

Acetonitrile PUROM

Acetonitrile PUROM

Acetonitrile UpS

Butan-1-ol PUROM

Chloroform Hi‑Dry KF

Chloroform PUROM

Chloroform PUROM

Dichloromethane PUROM

Diethyl Ether PUROM

Dimethylformamide PUROM

1,4-Dioxan PUROM

1,4-Dioxan SpS

Ethanol absolute PUROM

Ethyl Acetate PUROM

Formamide Hi‑Dry KF

GC Extraction mix CE1 SpS

n-Heptane 95% PUROM

n-Heptane 99% PUROM

Hexane fraction PUROM

iso-Hexane 95% PUROM

n-Hexane 95% PUROM

LC Eluant mix MAA1 UpS

Methanol Hi‑Dry KF

Methanol PUROM

Methanol PUROM

Methanol 205 SpS

Methanol UpS

Methyl tert-Butyl Ether PUROM

N-Methyl-2-pyrrolidone SpS

2-Methyltetrahydrofuran PUROM

2-Methyltetrahydrofuran SpS

2-Methyltetrahydrofuran PUROM

2-Methyltetrahydrofuran SpS

n-Pentane 95% PUROM

Petroleum Ether 40-60°C PUROM

Petroleum Ether 60-80°C PUROM

Propan-1-ol PUROM

Propan-2-ol PUROM

Sodium Sulphate anhydrous SA

Tetrachloroethylene PUROM

Tetrahydrofuran PUROM

Tetrahydrofuran SpS

Tetrahydrofuran PUROM

Tetrahydrofuran SpS

Toluene PUROM

2,2,4-Trimethylpentane PUROM

Water PUROM

Water PUROM

Water UpS

Xylene Hi‑Dry KF

Xylene mixed isomers PUROM

Fluorescence Spectrometry

Gas Chromatography

Gas Chromatography-Mass Spectrometry

General Chemistry

High Performance Liquid Chromatography

Infra-Red Spectrometry

Karl Fischer

Liquid Chromatography-Mass Spectrometry

Molecular Biology

Organic Synthesis

Preparative High Performance Liquid Chromatography

Process Chemistry

UV-Visible Spectrometry

When referring to percent solutions what does %w/w, %w/v and %v/v mean?

ROMIL Hi-Dry^® Anhydrous Solvents

ROMIL-BiO^™ BioPure Solvents

ROMIL-PUROM^™ High Purity Process Solvents

ROMIL-SA^™ Solvents and Acids for General Use

ROMIL-SpS^™ Super Purity Solvent Mixes

ROMIL-SpS^™ Super Purity Solvents

ROMIL-UpS^™ Ultra Purity Solvent Mixes

ROMIL-UpS^™ Ultra Purity Solvents