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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. 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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 251-256 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 528.4ºC at 760 mmHg |
| Density | 1.78 g/cm3 |
| Flash Point | 273.3ºC |
| Exact Mass | 250.96600 |
| PSA | 126.07000 |
| LogP | 2.17230 |
| Vapor Pressure | 5.42E-12mmHg at 25°C |
| Refractive Index | 1.654 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
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 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.