(4-Chlorophenyl)methanesulfonyl chloride
Also known as: 4-Chlorobenzylsulfonyl chloride, 4-Chloro-alpha-toluenesulfonyl chloride, 4-Chlorobenzenemethanesulfonyl chloride, (4-Chlorophenyl)methanesulfonyl chloride, p-Chloro-alpha-toluenesulfonyl chloride, [(4-Chlorophenyl)methyl]sulfonyl chloride, MFCD01631927
(4-Chlorophenyl)methanesulfonyl chloride (CAS 6966-45-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6Cl2O2S and a molecular weight of 225.09200 g/mol. Key properties include a melting point of 93-97 °C, a boiling point of 321.2ºC at 760 mmHg, a density of 1.499 g/cm3 and a flash point of 148ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed 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.
- 6966-45-6
- Jingsj CID
- J-49415-5
- Molecular Formula
- C7H6Cl2O2S
- Molecular Weight
- 225.09200 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 93-97 °C |
|---|---|
| Boiling Point | 321.2ºC at 760 mmHg |
| Density | 1.499 g/cm3 |
| Flash Point | 148ºC |
| Exact Mass | 223.94700 |
| PSA | 42.52000 |
| LogP | 3.48940 |
| Refractive Index | 1.577 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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 (4-Chlorophenyl)methanesulfonyl chloride?
The CAS number of (4-Chlorophenyl)methanesulfonyl chloride is 6966-45-6.
What are the molecular formula and molecular weight of (4-Chlorophenyl)methanesulfonyl chloride?
(4-Chlorophenyl)methanesulfonyl chloride has molecular formula C7H6Cl2O2S and molecular weight 225.09200 g/mol.
Is (4-Chlorophenyl)methanesulfonyl chloride hazardous?
(4-Chlorophenyl)methanesulfonyl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of (4-Chlorophenyl)methanesulfonyl chloride?
For (4-Chlorophenyl)methanesulfonyl chloride, Upstream Products: S-(4-Chlorobenzyl)isothiouronium chloride, 4-Chlorobenzyl chloride, bis(p-Chlorobenzyl)disulfide; Downstream Products: 4-Chlorodiphenylmethane, 4-Chlorobenzyl chloride, 4-Chlorobenzophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(4-Chlorophenyl)methanesulfonyl chloride (CAS 6966-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49415-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.