Sulfisoxazole
Also known as: Sulfafurazole, Gantrizin, 4-amino-N-(3,4-dimethyl-5-isoxazolyl)benzenesulfonamide, 4-Amino-N-(3,4-dimethyl-1,2-oxazol-5-yl)benzenesulfonamide, 5-(p-Aminobenzenesulfonamido)-3,4-dimethylisooxazole, N1-(3,4-Dimethyl-5-isoxazolyl)sulfanilamide, Sulfasoxazole, MFCD00003150, EINECS 204-858-9
Sulfisoxazole (CAS 127-69-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13N3O3S and a molecular weight of 267.304 g/mol. Key properties include a melting point of 195°C, a boiling point of 482.2±55.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 245.4±31.5 °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.
- 127-69-5
- Jingsj CID
- J-33531-5
- Molecular Formula
- C11H13N3O3S
- Molecular Weight
- 267.304 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195°C |
|---|---|
| Boiling Point | 482.2±55.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 245.4±31.5 °C |
| Exact Mass | 267.067749 |
| PSA | 106.60000 |
| LogP | 1.01 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.626 |
| Storage Conditions | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Additional Property | <0.1 g/100 mL at 22.5 ºC |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Chan, M.F., et al., Identification of a new class of ETA selective endothelin antagonists by pharmacophore directed screening. Biochem Biophys Res Commun, 1994. 201(1): p. 228-34. [2]. http://www.mayoclinic.org/drugs-supplements/sulfisoxazole-oral-route/description/drg-20072998 |
|---|
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 Sulfisoxazole?
The CAS number of Sulfisoxazole is 127-69-5.
What are the molecular formula and molecular weight of Sulfisoxazole?
Sulfisoxazole has molecular formula C11H13N3O3S and molecular weight 267.304 g/mol.
Is Sulfisoxazole hazardous?
Sulfisoxazole 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 Sulfisoxazole?
For Sulfisoxazole, Upstream Products: N-(3,4-dimethyl-5-isoxazolyl)-4-nitrobenzenesulfonamide, 3,4-Dimethylisoxazol-5-amine, 4-Nitrobenzenesulfonyl chloride; Downstream Products: Sulfisoxazole Acetyl, 3,4-Dimethylisoxazol-5-amine, 3,4-Dimethylisoxazol-5-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulfisoxazole (CAS 127-69-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33531-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.