Skip to Content
Merck
CN

Specification Sheet

Product Name
Dimethyl sulfate puriss. p.a., ≥99.0% (GC)

Product Number
41610

Product Brand
sial

CAS Number
77-78-1

Molecular Weight
126.13

Test

Specification

APPEARANCE (COLOR)Colorless
APPEARANCE (FORM)Liquid
COLOR (IN APHA)≤ 25 APHA
PURITY (GC AREA %)≥ 99.0 %
REFRACTIVE INDEX N20/D1.386 - 1.388
RESIDUE ON IGNITION≤ 0.02 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
TRACE ANALYSIS (ADDITIONAL TESTS)FREE ACID (AS H2SO4) ≤ 0.4 %
SOLUBILITY (0.26G/ML ETHANOL AND
0.26G/ML DIETHYL ETHER):
CLEAR, COLORLESS
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
CALCIUM (ICP)≤ 5 mg/kg
CADMIUM (ICP)≤ 1 mg/kg
COBALT (ICP)≤ 1 mg/kg
CHROMIUM (ICP)≤ 1 mg/kg
COPPER (ICP)≤ 1 mg/kg
IRON (ICP)≤ 1 mg/kg
POTASSIUM (ICP)≤ 20 mg/kg
MAGNESIUM (ICP)≤ 1 mg/kg
MANGANESE (ICP)≤ 1 mg/kg
SODIUM (ICP)≤ 20 mg/kg
NICKEL (ICP)≤ 1 mg/kg
LEAD (ICP)≤ 1 mg/kg
ZINC (ICP)≤ 1 mg/kg
RECOMMENDED RETEST PERIOD36 MONTHS