Phthalylsulfathiazole
Also known as: Phthalylsulphathiazole, PST, 2-[[4-(1,3-Thiazol-2-ylsulfamoyl)phenyl]carbamoyl]benzoic acid, 2-[[4-(2-Thiazolylsulfamoyl)phenyl]carbamoyl]benzoic acid, 4'-(2-Thiazolylsulfamyl)phthalanilic acid, Ftalazol, Taleudron, Talidine, Thalazole, Sulfathalidine, Cremothalidine, Entexidin, Ftalysept, Phtalazol, Sulftalyl, Taloudron, Thalinil, N4-Phthalylsulfathiazole, Benzoic acid, 2-[[[4-[(2-thiazolylamino)sulfonyl]phenyl]amino]carbonyl]-
Phthalylsulfathiazole (CAS 85-73-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H13N3O5S2 and a molecular weight of 403.432 g/mol. Key properties include a melting point of 198-204°C, a boiling point of 579ºC at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 304ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 85-73-4
- Jingsj CID
- J-1111995-7
- Molecular Formula
- C17H13N3O5S2
- Molecular Weight
- 403.432 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 198-204°C |
|---|---|
| Boiling Point | 579ºC at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 304ºC |
| Exact Mass | 403.029663 |
| PSA | 162.08000 |
| LogP | 1.54 |
| Refractive Index | 1.715 |
Activity & Biological Data
| Additional Information | [1]. S. RAGHAV, et al. Kinetics of Xylene Coagulation in Water Emulsion Stabilized by Phthalylsulfathiazole. ACS Symposium Series, 1985: 447-460 |
|---|
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 Phthalylsulfathiazole?
The CAS number of Phthalylsulfathiazole is 85-73-4.
What are the molecular formula and molecular weight of Phthalylsulfathiazole?
Phthalylsulfathiazole has molecular formula C17H13N3O5S2 and molecular weight 403.432 g/mol.
What are the upstream and downstream products of Phthalylsulfathiazole?
For Phthalylsulfathiazole, Upstream Products: Phthalic anhydride, Sulfathiazole, N-Phenylphthalimide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phthalylsulfathiazole (CAS 85-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1111995-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.