Sulfanilamide
Also known as: 4-aminobenzene sulfonamide, 4-aminobenzene sulfonic acid amide, 4-aminobenzenesulfonamide, 4-aminophenylsulfonamide, Bacteramid, EINECS 200-563-4, MFCD00007939, Prontalbin, Prontosil album, Prontosil i, Prontosil white, Streptasol, Sulfamine, Sulfonylamide, Sulphanilamide, Sulphonamide, p-Aminobenzenesulfonamide, p-Aminobenzensulfonamide, p-Aminophenylsulfonamide, p-amino-benzenesulfonamid
Sulfanilamide (CAS 63-74-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2S and a molecular weight of 172.205 g/mol. Key properties include a melting point of 164-166 °C(lit.), a boiling point of 400.5±47.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 196.0±29.3 °C. It is listed by 1 supplier, from 0.17 to 3.04 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 63-74-1
- Jingsj CID
- J-11395-9
- Molecular Formula
- C6H8N2O2S
- Molecular Weight
- 172.205 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 500g | ¥85.00 | $0.03 /gBest ¥0.17/g CNY | CN China MOQ 500g | |
In Stock | AR 100g | ¥28.00 | $0.04 /g ¥0.28/g CNY | CN China MOQ 100g | |
In Stock | AR 25g | ¥12.00 | $0.07 /g ¥0.48/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 164-166 °C(lit.) |
|---|---|
| Boiling Point | 400.5±47.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 196.0±29.3 °C |
| Exact Mass | 172.030655 |
| PSA | 94.56000 |
| LogP | -0.72 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.628 |
| Additional Property | 7.5 g/L at 25 ºC |
Activity & Biological Data
| Additional Information | [1]. McCullough, J.L. and T.H. Maren, Inhibition of dihydropteroate synthetase from Escherichia coli by sulfones and sulfonamides. Antimicrob Agents Chemother, 1973. 3(6): p. 665-9. [2]. Meneau, I., et al., Pneumocystis jiroveci dihydropteroate synthase polymorphisms confer resistance to sulfadoxine and sulfanilamide in Saccharomyces cerevisiae. Antimicrob Agents Chemother, 2004. 48(7): p. 2610-6. [3]. Hughes, W.T. and J. Killmar, Monodrug efficacies of sulfonamides in prophylaxis for Pneumocystis carinii pneumonia. Antimicrob Agents Chemother, 1996. 40(4): p. 962-5. |
|---|
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 Sulfanilamide?
The CAS number of Sulfanilamide is 63-74-1.
What are the molecular formula and molecular weight of Sulfanilamide?
Sulfanilamide has molecular formula C6H8N2O2S and molecular weight 172.205 g/mol.
Which suppliers offer Sulfanilamide?
1 supplier(s) listed; reference unit price ¥0.17–3.04 /g.
What are the upstream and downstream products of Sulfanilamide?
For Sulfanilamide, Upstream Products: 4-Nitrobenzenesulfonamide, 4-Acetamidobenzenesulfonamide, 4-Chlorobenzenesulfonamide; Downstream Products: Sulfaguanidine, 2-cyano-N-(4-sulfamoylphenyl)acetamide, Sulfaquinoxaline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulfanilamide (CAS 63-74-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11395-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.