Skip to main content

3-Cyanobenzenesulfonyl chloride

Also known as: 3-Cyanobenzene-1-sulfonyl chloride, 3-Cyanobenzenesulphonyl chloride, 3-Cyanophenylsulfonyl chloride, m-Cyanobenzenesulfonyl chloride, 3-(Chlorosulfonyl)benzonitrile, AKOS BB-9463, BUTTPARK 33\11-95, Benzenesulfonyl chloride, 3-cyano-, MFCD00203480

3-Cyanobenzenesulfonyl chloride (CAS 56542-67-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNO2S and a molecular weight of 201.630 g/mol. Key properties include a melting point of 49-53 °C(lit.), a boiling point of 326.7±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 151.4±23.2 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56542-67-7
Jingsj CID
J-31463-6
Molecular Formula
C7H4ClNO2S
Molecular Weight
201.630 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point49-53 °C(lit.)
Boiling Point326.7±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point151.4±23.2 °C
Exact Mass200.965118
PSA66.31000
LogP1.92
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.600

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H314 — Causes severe skin burns and eye damage
  • H317 — May cause an allergic skin reaction

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Cyanobenzenesulfonyl chloride?

The CAS number of 3-Cyanobenzenesulfonyl chloride is 56542-67-7.

What are the molecular formula and molecular weight of 3-Cyanobenzenesulfonyl chloride?

3-Cyanobenzenesulfonyl chloride has molecular formula C7H4ClNO2S and molecular weight 201.630 g/mol.

Is 3-Cyanobenzenesulfonyl chloride hazardous?

3-Cyanobenzenesulfonyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 3-Cyanobenzenesulfonyl chloride?

For 3-Cyanobenzenesulfonyl chloride, Upstream Products: 3-Aminobenzonitrile, 3-Sulfamoylbenzoic acid, 3-(Chlorosulfonyl)benzoic acid; Downstream Products: 3-Cyanobenzenesulfonamide, 3-morpholin-4-ylsulfonylbenzonitrile, 3-cyano-N-propylbenzenesulfonamide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Cyanobenzenesulfonyl chloride (CAS 56542-67-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31463-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.