Trimethylsilyl chlorosulfonate
三甲基硅基氯磺酸
Also known as: Trimethylsilyl chlorosulphate, Trimethylsilyl sulfurochloridate, Chlorosulfonic acid trimethylsilyl ester, Chlorosulfuric acid trimethylsilyl ester, Chloridosulfuric acid trimethylsilyl ester, [chlorosulfonyloxy(dimethyl)silyl]methane, chlorosulfonate de trimethylsilyle, chlorosulfonate die trimethylsilyle, trimethylsilyl chlorosulphate
- CAS No.
- 4353-77-9
- Jingsj CID
- J-48131-7
- Molecular Formula
- C3H9ClO3SSi
- Chinese Name
- 三甲基硅基氯磺酸
- Molecular Weight
- 188.705 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -26ºC(lit.) |
|---|---|
| Boiling Point | 169.0±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 42.2±0.0 °C |
GHS Safety & Compliance
Flammable / CorrosionSignal word: Danger
Frequently Asked Questions
What is the CAS number of Trimethylsilyl chlorosulfonate?
4353-77-9
What are the molecular formula and molecular weight of Trimethylsilyl chlorosulfonate?
C3H9ClO3SSi, molecular weight 188.705 g/mol
Is Trimethylsilyl chlorosulfonate hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026