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4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid

4-氯-2-羟基-5-磺酰胺苯甲酸

Also known as: 4-Chloro-5-sulfamoyl-salicylic Acid, 4-Chlorosalicylic acid-5-sulfonamide, 4-Chloro-5-sulphamoylsalicylic acid, 4-Chlorosalicylic acid-5-sulfamide, BE 1070, MFCD00988990, EINECS 238-602-2, TIMTEC-BB SBB003139, 4-CHLORO SALICYLIC ACID-5-SULFONAMIDE

4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid (CAS 14556-98-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6ClNO5S and a molecular weight of 251.64400 g/mol. It is also known as 4-Chloro-5-sulfamoyl-salicylic Acid, 4-Chlorosalicylic acid-5-sulfonamide and 4-Chloro-5-sulphamoylsalicylic acid. Key properties include a melting point of 251-256 °C (dec.)(lit.), a boiling point of 528.4ºC at 760 mmHg, a density of 1.78 g/cm3 and a flash point of 273.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14556-98-0
Jingsj CID
J-6118-6
Molecular Formula
C7H6ClNO5S
Chinese Name
4-氯-2-羟基-5-磺酰胺苯甲酸
Molecular Weight
251.64400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point251-256 °C (dec.)(lit.)
Boiling Point528.4ºC at 760 mmHg
Density1.78 g/cm3
Flash Point273.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid?

The CAS number of 4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid is 14556-98-0.

What are the molecular formula and molecular weight of 4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid?

4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid has molecular formula C7H6ClNO5S and molecular weight 251.64400 g/mol.

Is 4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid hazardous?

4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-Chloro-2-hydroxy-5-sulfamoylbenzoic acid (CAS 14556-98-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6118-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.