Benzenesulfonyl chloride
Also known as: Benzenesulfonic chloride, Benzenesulfochloride, Benzenesulphochloride, Benzenesulphonyl chloride, Phenylsulfonyl chloride, Phenylchloro sulfone, Benzene sulfonyl chloride, Benzene-1-sulfonyl chloride, NSC 2864
Benzenesulfonyl chloride (CAS 98-09-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H5ClO2S and a molecular weight of 176.621 g/mol. Key properties include a melting point of 14.5 °C, a boiling point of 251.5±9.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 105.9±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and 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.
- 98-09-9
- Jingsj CID
- J-6283-9
- Molecular Formula
- C6H5ClO2S
- Molecular Weight
- 176.621 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 14.5 °C |
|---|---|
| Boiling Point | 251.5±9.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 105.9±18.7 °C |
| Exact Mass | 175.969879 |
| PSA | 42.52000 |
| LogP | 1.99 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.554 |
| Additional Property | may decompose |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
- H334 — May cause allergy or asthma symptoms if inhaled
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 Benzenesulfonyl chloride?
The CAS number of Benzenesulfonyl chloride is 98-09-9.
What are the molecular formula and molecular weight of Benzenesulfonyl chloride?
Benzenesulfonyl chloride has molecular formula C6H5ClO2S and molecular weight 176.621 g/mol.
Is Benzenesulfonyl chloride hazardous?
Benzenesulfonyl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Benzenesulfonyl chloride?
For Benzenesulfonyl chloride, Upstream Products: Benzenesulfonic acid, Diphenyl disulfide, Benzyl phenyl sulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzenesulfonyl chloride (CAS 98-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6283-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.