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41620 Sigma-Aldrich

Dimethyl sulfate

purum, ≥95.0% (GC)

Synonym: Sulfuric acid dimethyl ester

  • CAS Number 77-78-1

  • Linear Formula (CH3O)2SO2

  • Molecular Weight 126.13

  •  Beilstein Registry Number 635994

  •  EC Number 201-058-1

  •  MDL number MFCD00008416

  •  PubChem Substance ID 329756125

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Properties

Related Categories Alkyl Transfer, C-X Bond Formation (Non-Halogen), Chemical Synthesis, Synthetic Reagents
vapor density   4.3 (vs air)
vapor pressure   0.7 mmHg ( 25 °C)
InChI Key   VAYGXNSJCAHWJZ-UHFFFAOYSA-N
grade   purum
assay   ≥95.0% (GC)
autoignition temp.   923 °F
refractive index   n20/D 1.386(lit.)
  n20/D 1.387
bp   188 °C(lit.)
mp   −32 °C(lit.)
density   1.333 g/mL at 25 °C(lit.)

Price and Availability

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
Peer-Reviewed Papers
15

References

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