2,3,4-Trichlorobenzenesulfonyl chloride
Also known as: 2,3,4-Trichlorobenzene-1-sulfonyl chloride, 2,3,4-Trichlorobenzenesulphonyl chloride, 2,3,4-Trichlorophenylsulfonyl chloride, Benzenesulfonyl chloride, 2,3,4-trichloro-
2,3,4-Trichlorobenzenesulfonyl chloride (CAS 34732-09-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl4O2S and a molecular weight of 279.956 g/mol. Key properties include a melting point of 63-65°C, a boiling point of 349.9±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 165.4±27.9 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34732-09-7
- Jingsj CID
- J-42189-6
- Molecular Formula
- C6H2Cl4O2S
- Molecular Weight
- 279.956 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 63-65°C |
|---|---|
| Boiling Point | 349.9±42.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 165.4±27.9 °C |
| Exact Mass | 277.852966 |
| PSA | 42.52000 |
| LogP | 3.92 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.593 |
GHS Safety & Compliance
- 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 2,3,4-Trichlorobenzenesulfonyl chloride?
The CAS number of 2,3,4-Trichlorobenzenesulfonyl chloride is 34732-09-7.
What are the molecular formula and molecular weight of 2,3,4-Trichlorobenzenesulfonyl chloride?
2,3,4-Trichlorobenzenesulfonyl chloride has molecular formula C6H2Cl4O2S and molecular weight 279.956 g/mol.
Is 2,3,4-Trichlorobenzenesulfonyl chloride hazardous?
2,3,4-Trichlorobenzenesulfonyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2,3,4-Trichlorobenzenesulfonyl chloride?
For 2,3,4-Trichlorobenzenesulfonyl chloride, Upstream Products: 1,2,3-Trichlorobenzene, Chlorosulfonic acid; Downstream Products: 1-Chloro-2,6-difluorobenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,4-Trichlorobenzenesulfonyl chloride (CAS 34732-09-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42189-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.