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D5279 Sigma-Aldrich

Dimethyl sulfate

Synonym: Sulfuric acid dimethyl ester

  • CAS Number 77-78-1

  • Linear Formula (CH3O)2SO2

  • Molecular Weight 126.13

  •  Beilstein/REAXYS Number 635994

  •  EC Number 201-058-1

  •  MDL number MFCD00008416

Purchase

Properties

vapor density   4.3 (vs air)
vapor pressure   0.7 mmHg ( 25 °C)
autoignition temp.   923 °F
refractive index   n20/D 1.386 (lit.)
bp   188 °C (lit.)
mp   −32 °C (lit.)
density   1.333 g/mL at 25 °C (lit.)
storage temp.   2-8°C
SMILES string   COS(=O)(=O)OC
InChI   1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
InChI key   VAYGXNSJCAHWJZ-UHFFFAOYSA-N
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN1595 - class 6.1 - PG 1 - Dimethyl sulphate
WGK Germany 
3
RTECS 
WS8225000
Flash Point(F) 
181.4 °F
Flash Point(C) 
83 °C
Protocols & Articles
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