Sulfathiazole

Also known as: 2-Sulfanilamidothiazole, 2-(4-Aminobenzenesulfonamido)thiazole, 4-Amino-N-(1,3-thiazol-2-yl)benzenesulfonamide, N1-2-Thiazolylsulfanilamide, Norsulfazole, Sulphathiazole, 2090 RP, M & B 760, Neo-Strepsan, Sulfathiazolum, Sulfatiazol, Sulfavitina, Sulfanilamidothiazole

Sulfathiazole (CAS 72-14-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9N3O2S2 and a molecular weight of 255.317 g/mol. Key properties include a melting point of 202.5ºC, a boiling point of 479.5±47.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 243.8±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 72-14-0
Jingsj CID: J-1046142-4
Molecular Formula: C₉H₉N₃O₂S₂
Molecular Weight: 255.317 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	202.5ºC
Boiling Point	479.5±47.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	243.8±29.3 °C
Exact Mass	255.013611
PSA	121.70000
LogP	0.05
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.704
Stability	Stable. Incompatible with strong oxidizing agents.
Additional Property	Insoluble (<0.1 g/100 mL at 21 ºC)

Activity & Biological Data

Additional Information	[1]. Perez, S., P. Eichhorn, and D.S. Aga, Evaluating the biodegradability of sulfamethazine, sulfamethoxazole, sulfathiazole, and trimethoprim at different stages of sewage treatment. Environ Toxicol Chem, 2005. 24(6): p. 1361-7. [2]. Haller, M.Y., et al., Quantification of veterinary antibiotics (sulfonamides and trimethoprim) in animal manure by liquid chromatography-mass spectrometry. J Chromatogr A, 2002. 952(1-2): p. 111-20. [3]. Kahle, M. and C. Stamm, Time and pH-dependent sorption of the veterinary antimicrobial sulfathiazole to clay minerals and ferrihydrite. Chemosphere, 2007. 68(7): p. 1224-31.

Additional Information

[1]. Perez, S., P. Eichhorn, and D.S. Aga, Evaluating the biodegradability of sulfamethazine, sulfamethoxazole, sulfathiazole, and trimethoprim at different stages of sewage treatment. Environ Toxicol Chem, 2005. 24(6): p. 1361-7. [2]. Haller, M.Y., et al., Quantification of veterinary antibiotics (sulfonamides and trimethoprim) in animal manure by liquid chromatography-mass spectrometry. J Chromatogr A, 2002. 952(1-2): p. 111-20. [3]. Kahle, M. and C. Stamm, Time and pH-dependent sorption of the veterinary antimicrobial sulfathiazole to clay minerals and ferrihydrite. Chemosphere, 2007. 68(7): p. 1224-31.

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 Sulfathiazole?

The CAS number of Sulfathiazole is 72-14-0.

What are the molecular formula and molecular weight of Sulfathiazole?

Sulfathiazole has molecular formula C9H9N3O2S2 and molecular weight 255.317 g/mol.

What are the upstream and downstream products of Sulfathiazole?

For Sulfathiazole, Upstream Products: Nitrosulfathiazole, N-Acetylsulfanilyl chloride, 2-Aminothiazole; Downstream Products: 2-Chloro-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]acetamide, 2-Aminothiazole, Phthalylsulfathiazole.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Sulfathiazole (CAS 72-14-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1046142-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.