3-nitro-4-phenoxy-5-sulfamoylbenzoic acid
Also known as: 3-nitro-4-phenoxy-5-sulphamoylbenzoic acid, bumetanide EP impurity A, bumetanide related compound B, bumetanide impurity 2, Benzoic acid, 3-(aminosulfonyl)-5-nitro-4-phenoxy-, 3-(aminosulfonyl)-5-nitro-4-phenoxybenzoic acid
3-nitro-4-phenoxy-5-sulfamoylbenzoic acid (CAS 28328-53-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H10N2O7S and a molecular weight of 338.293 g/mol. Key properties include a melting point of 251-253°C (dec.), a boiling point of 547.6±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 285.0±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28328-53-2
- Jingsj CID
- J-1320728-8
- Molecular Formula
- C13H10N2O7S
- Molecular Weight
- 338.293 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 251-253°C (dec.) |
|---|---|
| Boiling Point | 547.6±60.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 285.0±32.9 °C |
| Exact Mass | 338.020874 |
| PSA | 160.89000 |
| LogP | 1.81 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.651 |
| Storage Conditions | Refrigerator |
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 3-nitro-4-phenoxy-5-sulfamoylbenzoic acid?
The CAS number of 3-nitro-4-phenoxy-5-sulfamoylbenzoic acid is 28328-53-2.
What are the molecular formula and molecular weight of 3-nitro-4-phenoxy-5-sulfamoylbenzoic acid?
3-nitro-4-phenoxy-5-sulfamoylbenzoic acid has molecular formula C13H10N2O7S and molecular weight 338.293 g/mol.
What are the upstream and downstream products of 3-nitro-4-phenoxy-5-sulfamoylbenzoic acid?
For 3-nitro-4-phenoxy-5-sulfamoylbenzoic acid, Upstream Products: 4-Chloro-3-nitro-5-sulfamoylbenzoic acid, Phenol; Downstream Products: 3-amino-5-(aminosulfonyl)-4-phenoxybenzoic acid, Methyl 3-nitro-4-phenoxy-5-sulfamoylbenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-nitro-4-phenoxy-5-sulfamoylbenzoic acid (CAS 28328-53-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1320728-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.