2-(Chlorosulfonyl)acetyl chloride
Also known as: Chlorosulfonylacetyl chloride, Acetyl chloride, 2-(chlorosulfonyl)-, 2-(chlorosulfonyl)acetyl chloride, (chlorosulphonyl)acetyl chloride
2-(Chlorosulfonyl)acetyl chloride (CAS 4025-77-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H2Cl2O3S and a molecular weight of 177.00600 g/mol. Key properties include a melting point of 71-72 °C at 1 mmHg (lit.), a boiling point of 753.9ºC at 760 mmHg, a density of 1.24 g/cm3 and a flash point of 409.7ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 4025-77-8
- Jingsj CID
- J-11923-3
- Molecular Formula
- C2H2Cl2O3S
- Molecular Weight
- 177.00600 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 71-72 °C at 1 mmHg (lit.) |
|---|---|
| Boiling Point | 753.9ºC at 760 mmHg |
| Density | 1.24 g/cm3 |
| Flash Point | 409.7ºC |
| Exact Mass | 175.91000 |
| PSA | 59.59000 |
| LogP | 1.40120 |
| Appearance | Powder, Crystals and/or Chunks | Off-white to brown |
| Vapor Pressure | 1.29E-22mmHg at 25°C |
| Refractive Index | n20/D 1.493(lit.) |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-(Chlorosulfonyl)acetyl chloride?
The CAS number of 2-(Chlorosulfonyl)acetyl chloride is 4025-77-8.
What are the molecular formula and molecular weight of 2-(Chlorosulfonyl)acetyl chloride?
2-(Chlorosulfonyl)acetyl chloride has molecular formula C2H2Cl2O3S and molecular weight 177.00600 g/mol.
Is 2-(Chlorosulfonyl)acetyl chloride hazardous?
2-(Chlorosulfonyl)acetyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-(Chlorosulfonyl)acetyl chloride?
For 2-(Chlorosulfonyl)acetyl chloride, Upstream Products: sulfoacetic acid, acetic acid, Phosphoryl chloride; Downstream Products: ethyl (chlorosulfonyl)acetate, Methyl 2-(chlorosulfonyl)acetate, sulfoacetic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(Chlorosulfonyl)acetyl chloride (CAS 4025-77-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11923-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.