3-Cyanobenzenesulfonyl chloride
3-氰基苯磺酰氯
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. It is also known as 3-Cyanobenzene-1-sulfonyl chloride, 3-Cyanobenzenesulphonyl chloride and 3-Cyanophenylsulfonyl chloride. 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. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56542-67-7
- Jingsj CID
- J-31463-7
- Molecular Formula
- C7H4ClNO2S
- Chinese Name
- 3-氰基苯磺酰氯
- Molecular Weight
- 201.630 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 49-53 °C(lit.) |
|---|---|
| Boiling Point | 326.7±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 151.4±23.2 °C |
GHS Safety & Compliance
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.
Data compiled from public chemical databases 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-31463-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.