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4-Cyanobenzenesulfonyl chloride

Also known as: 4-Cyanobenzene-1-sulfonyl chloride, 4-(Chlorosulfonyl)benzonitrile, p-Cyanobenzenesulfonyl chloride, 4-Cyanobenzenesulphonyl chloride, Benzenesulfonyl chloride, 4-cyano-, MFCD00052337, EINECS 240-079-0

4-Cyanobenzenesulfonyl chloride (CAS 49584-26-1) 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 107-111ºC, a boiling point of 333.9±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 155.7±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.
49584-26-1
Jingsj CID
J-17081-0
Molecular Formula
C7H4ClNO2S
Molecular Weight
201.630 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point107-111ºC
Boiling Point333.9±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point155.7±23.2 °C
Exact Mass200.965118
PSA66.31000
LogP1.89
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 4-Cyanobenzenesulfonyl chloride?

The CAS number of 4-Cyanobenzenesulfonyl chloride is 49584-26-1.

What are the molecular formula and molecular weight of 4-Cyanobenzenesulfonyl chloride?

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

Is 4-Cyanobenzenesulfonyl chloride hazardous?

4-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 4-Cyanobenzenesulfonyl chloride?

For 4-Cyanobenzenesulfonyl chloride, Upstream Products: 4-Sulfamoylbenzoic acid, 4-Aminobenzonitrile, 4-Iodobenzonitrile; Downstream Products: 4-(piperidine-1-sulfonyl)benzonitrile, (4-(piperidin-1-ylsulfonyl)phenyl)methanamine, 4-Cyanobenzenesulfonamide.

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-Cyanobenzenesulfonyl chloride (CAS 49584-26-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17081-0 (accessed 2026-11-10).

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