5-Chlorothiophene-2-sulfonamide
Also known as: 5-Chloro-2-thiophenesulfonamide, 2-Chloro-5-sulfamoylthiophene, 2-chlorothiophene-5-sulfonamide, 5-chloro-2-thiophenesulfonamide, 5-chlorothiophene-2-sulfonamide
5-Chlorothiophene-2-sulfonamide (CAS 53595-66-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClNO2S2 and a molecular weight of 197.663 g/mol. Key properties include a melting point of 113-117 °C(lit.), a boiling point of 366.3±52.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 175.3±30.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 53595-66-7
- Jingsj CID
- J-26055-9
- Molecular Formula
- C4H4ClNO2S2
- Molecular Weight
- 197.663 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 113-117 °C(lit.) |
|---|---|
| Boiling Point | 366.3±52.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 175.3±30.7 °C |
| Exact Mass | 196.937195 |
| PSA | 96.78000 |
| LogP | 0.94 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.621 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
Frequently Asked Questions
What is the CAS number of 5-Chlorothiophene-2-sulfonamide?
The CAS number of 5-Chlorothiophene-2-sulfonamide is 53595-66-7.
What are the molecular formula and molecular weight of 5-Chlorothiophene-2-sulfonamide?
5-Chlorothiophene-2-sulfonamide has molecular formula C4H4ClNO2S2 and molecular weight 197.663 g/mol.
Is 5-Chlorothiophene-2-sulfonamide hazardous?
5-Chlorothiophene-2-sulfonamide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 5-Chlorothiophene-2-sulfonamide?
For 5-Chlorothiophene-2-sulfonamide, Upstream Products: 5-Chlorothiophene-2-sulfonyl chloride, 2-Thiophenesulfonyl chloride; Downstream Products: Ethyl N-[(5-chlorothiophen-2-yl)sulfonyl]carbamate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chlorothiophene-2-sulfonamide (CAS 53595-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26055-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.