(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
Application: HPLC critical gradient applications, LC-MS, UHPLC
1LT H050M
2½LT H050L
Dgr H:225-302+312+332-319
P:210-240-302+352-305+351+338-403+233