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Dimethyl Sulfate

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Dimethyl Sulfate molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 7 grades and pack sizes of Dimethyl Sulfate (CAS 77-78-1). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS77-78-1
Molecular formulaC2H6O4S
Molecular weight126.13 g/mol
IUPAC namedimethyl sulfate
SynonymsDimethyl sulphate · Dimethyl monosulfate · Sulfuric acid, dimethyl ester · Dimethylsulfat · Sulfate dimethylique · Dimethylsulfaat
Safety & Hazards (GHS) Danger
Corrosive Corrosive Acute toxic Acute toxic Health hazard Health hazard
  • H301 Toxic if swallowed
  • H314 Causes severe skin burns and eye damage
  • H317 May cause an allergic skin reaction
  • H330 Fatal if inhaled
  • H341 Suspected of causing genetic defects
  • H350 May cause cancer
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma DIMETHYL SULFATE, 98+% 320293-1L Request Quote
Sigma DIMETHYL SULFATE, >=99.5% D186309-100ML
D186309-18L
D186309-1L
D186309-4X100ML
D186309-500ML
D186309-5ML		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.