Ethanesulfonyl chloride
Also known as: Ethanesulphonyl chloride, Ethylsulfonyl chloride, Ethylsulfochloride, Ethylsulfuryl chloride, 1-Ethanesulfonyl chloride, TL 77, chloroethylsulfone, NSC 8649, MFCD00007460
Ethanesulfonyl chloride (CAS 594-44-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H5ClO2S and a molecular weight of 128.578 g/mol. Key properties include a melting point of -70°C, a boiling point of 171.0±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 83.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 594-44-5
- Jingsj CID
- J-3344-3
- Molecular Formula
- C2H5ClO2S
- Molecular Weight
- 128.578 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -70°C |
|---|---|
| Boiling Point | 171.0±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 83.3±0.0 °C |
| Exact Mass | 127.969879 |
| PSA | 42.52000 |
| LogP | 0.77 |
| Vapor Pressure | 1.9±0.3 mmHg at 25°C |
| Refractive Index | 1.444 |
| Additional Property | DECOMPOSES |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H310
- H330 — Fatal if inhaled
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethanesulfonyl chloride?
The CAS number of Ethanesulfonyl chloride is 594-44-5.
What are the molecular formula and molecular weight of Ethanesulfonyl chloride?
Ethanesulfonyl chloride has molecular formula C2H5ClO2S and molecular weight 128.578 g/mol.
Is Ethanesulfonyl chloride hazardous?
Ethanesulfonyl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H310; H330 — Fatal if inhaled.
What are the upstream and downstream products of Ethanesulfonyl chloride?
For Ethanesulfonyl chloride, Upstream Products: Diethyl disulfide, Ethanethiol, Ethanethioic acid S-ethyl ester; Downstream Products: Chloroethane, Methyl ethanesulfonate, Ethanethiol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethanesulfonyl chloride (CAS 594-44-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3344-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.