(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
Application: HPLC critical gradient applications, LC-MS, UHPLC
1LT H411M
2½LT H411L
Dgr H:225-301+311+331-370
P:210-280f-302+352-309+310-403+235