2-Thiophenesulfonyl chloride
2-噻吩磺酰氯
Also known as: 2-Thienylsulfonyl chloride, 2-(Chlorosulfonyl)thiophene, Thiophene-2-sulfonic acid chloride, Thiophene-2-sulfonyl chloride, Thiophene-2-sulphonyl chloride, 2-Thiophenesulfonic acid chloride, 2-Thiophene Sulfonylcloride, EINECS 240-677-1, MFCD00005426
2-Thiophenesulfonyl chloride (CAS 16629-19-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3ClO2S2 and a molecular weight of 182.648 g/mol. It is also known as 2-Thienylsulfonyl chloride, 2-(Chlorosulfonyl)thiophene and Thiophene-2-sulfonic acid chloride. Key properties include a melting point of 30-32 °C(lit.), a boiling point of 265.2±13.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 114.2±19.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16629-19-9
- Jingsj CID
- J-40674-1
- Molecular Formula
- C4H3ClO2S2
- Chinese Name
- 2-噻吩磺酰氯
- Molecular Weight
- 182.648 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 30-32 °C(lit.) |
|---|---|
| Boiling Point | 265.2±13.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 114.2±19.8 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2-Thiophenesulfonyl chloride?
The CAS number of 2-Thiophenesulfonyl chloride is 16629-19-9.
What are the molecular formula and molecular weight of 2-Thiophenesulfonyl chloride?
2-Thiophenesulfonyl chloride has molecular formula C4H3ClO2S2 and molecular weight 182.648 g/mol.
Is 2-Thiophenesulfonyl chloride hazardous?
2-Thiophenesulfonyl 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. "2-Thiophenesulfonyl chloride (CAS 16629-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40674-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.