Chlorpropamide
Also known as: 4-Chloro-N-(propylcarbamoyl)benzenesulfonamide, N-(p-Chlorobenzenesulfonyl)-N'-propylurea, 1-(4-Chlorophenyl)sulfonyl-3-propylurea, N-[(4-Chlorophenyl)sulfonyl]-N'-propylurea, Benzenesulfonamide, 4-chloro-N-[(propylamino)carbonyl]-
Chlorpropamide (CAS 94-20-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H13ClN2O3S and a molecular weight of 276.740 g/mol. Key properties include a melting point of 128 °C, a boiling point of 433.5±47.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 216.0±29.3 °C. It is classified under GHS with signal word Warning and hazard statements H312 — Harmful in contact with skin, H332 — Harmful if inhaled and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 94-20-2
- Jingsj CID
- J-9593-2
- Molecular Formula
- C10H13ClN2O3S
- Molecular Weight
- 276.740 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128 °C |
|---|---|
| Boiling Point | 433.5±47.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 216.0±29.3 °C |
| Exact Mass | 276.033539 |
| PSA | 83.65000 |
| LogP | 2.80 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.585 |
| Stability | Stable. Combustible. |
GHS Safety & Compliance
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H351 — Suspected of causing cancer
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 Chlorpropamide?
The CAS number of Chlorpropamide is 94-20-2.
What are the molecular formula and molecular weight of Chlorpropamide?
Chlorpropamide has molecular formula C10H13ClN2O3S and molecular weight 276.740 g/mol.
Is Chlorpropamide hazardous?
Chlorpropamide has GHS signal word Warning and hazard statements H312 — Harmful in contact with skin; H332 — Harmful if inhaled; H351 — Suspected of causing cancer.
What are the upstream and downstream products of Chlorpropamide?
For Chlorpropamide, Upstream Products: Propyl isocyanate, 4-Chlorobenzenesulfonamide, Ethylene carbonate; Downstream Products: 4-Chlorobenzenesulfonamide, N-Propylurea, 1-Chloro-4-methoxybenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chlorpropamide (CAS 94-20-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9593-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.