Skip to main content

4-Sulfamoylbenzoic acid

Also known as: Carzenide, 4-Carboxybenzenesulfonamide, p-Carboxybenzenesulfonamide, Benzoic acid, 4-(aminosulfonyl)-, Benzoic acid, p-sulfamoyl-, Carzenid, Dirnate, p-Sulfamoylbenzoic acid, 4-Sulfamylbenzoic acid, 4-sulphamoylbenzoic acid, EINECS 205-327-4, MFCD00007938

4-Sulfamoylbenzoic acid (CAS 138-41-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H7NO4S and a molecular weight of 201.200 g/mol. Key properties include a melting point of 285-295 °C(lit.), a boiling point of 449.0±47.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 225.4±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
138-41-0
Jingsj CID
J-20582-3
Molecular Formula
C7H7NO4S
Molecular Weight
201.200 g/mol
Category
Organic Bases
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point285-295 °C(lit.)
Boiling Point449.0±47.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point225.4±29.3 °C
Exact Mass201.009583
PSA105.84000
LogP0.50
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.611
Storage ConditionsStore at RT.
Additional Property453 mg/L (25 ºC)

Customs & Trade Information

HS Code2935009090
Summary2935009090 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 4-Sulfamoylbenzoic acid?

The CAS number of 4-Sulfamoylbenzoic acid is 138-41-0.

What are the molecular formula and molecular weight of 4-Sulfamoylbenzoic acid?

4-Sulfamoylbenzoic acid has molecular formula C7H7NO4S and molecular weight 201.200 g/mol.

What are the upstream and downstream products of 4-Sulfamoylbenzoic acid?

For 4-Sulfamoylbenzoic acid, Upstream Products: p-Toluenesulfonamide, 4-(Chlorosulfonyl)benzoic acid, 4-Carboxybenzenesulfonazide; Downstream Products: Benzoic acid, 4-(aminosulfonyl)-, hydrazide, Probenecid, 4-Formylbenzenesulfonamide.

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

Last updated:

How to cite: Jingsj. "4-Sulfamoylbenzoic acid (CAS 138-41-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20582-3 (accessed 2026-11-09).

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