Dimethyl sulfate
硫酸二甲酯
Also known as: Dimethyl sulphate, Methyl sulfate, Sulfuric acid dimethyl ester, Dimethoxysulfone, Methylsulphate, DMS
- CAS No.
- 77-78-1
- Jingsj CID
- J-5920-6
- Molecular Formula
- C2H6O4S
- Chinese Name
- 硫酸二甲酯
- Molecular Weight
- 126.132 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -32ºC |
|---|---|
| Boiling Point | 188.0±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 83.3±0.0 °C |
GHS Safety & Compliance
Corrosion / Acute Toxicity / Health HazardSignal word: Danger
Frequently Asked Questions
What is the CAS number of Dimethyl sulfate?
77-78-1
What are the molecular formula and molecular weight of Dimethyl sulfate?
C2H6O4S, molecular weight 126.132 g/mol
Is Dimethyl sulfate hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026