Methyl chlorosulfonate
Also known as: Methyl chlorosulfate, Chlorosulfuric acid methyl ester, methyl sulfurochloridate, Methyl chlorosulphate, Methyl chlorosulphonate, Chlorosulfonic acid methyl ester, Chloroschwefelsaeure-methylester, Chlorsulfonsaeure-methylester, Sodium Picosulfate Impurity 28
Methyl chlorosulfonate (CAS 812-01-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH3ClO3S and a molecular weight of 130.55100 g/mol. Key properties include a melting point of -70ºC, a boiling point of 132.3ºC at 760 mmHg, a density of 1.557 g/cm3 and a flash point of 33.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 812-01-1
- Jingsj CID
- J-1309982-6
- Molecular Formula
- CH3ClO3S
- Molecular Weight
- 130.55100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -70ºC |
|---|---|
| Boiling Point | 132.3ºC at 760 mmHg |
| Density | 1.557 g/cm3 |
| Flash Point | 33.8ºC |
| Exact Mass | 129.94900 |
| PSA | 51.75000 |
| LogP | 1.19720 |
| Refractive Index | 1.439 |
Frequently Asked Questions
What is the CAS number of Methyl chlorosulfonate?
The CAS number of Methyl chlorosulfonate is 812-01-1.
What are the molecular formula and molecular weight of Methyl chlorosulfonate?
Methyl chlorosulfonate has molecular formula CH3ClO3S and molecular weight 130.55100 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl chlorosulfonate (CAS 812-01-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309982-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.