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4-hydroxybenzenesulfonic acid

C6H6O4S

CAS98-67-9

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Identification

CAS Number: 98-67-9
EC Number: 202-691-6
UN Number: 2585
PubChem CID: 4765

Physical-chemical properties

Molecular Formula: C6H6O4S
Molar Mass: 174.18 g/mol
IUPAC Name: 4-hydroxybenzenesulfonic acid

Chemical Identifiers

InChI: InChI=1S/C6H6O4S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4,7H,(H,8,9,10)
InChI Key: FEPBITJSIHRMRT-UHFFFAOYSA-N

Overview

4-hydroxybenzenesulfonic acid (CAS: 98-67-9) is a chemical compound widely used in industry. The molecular formula is C6H6O4S. The molar mass is 174.18 g/mol.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number	2585
ADR Class	8
Packing Group	III
Tunnel Code	E
Proper Shipping Name	p-Phenolsulfonsäure, freie Schwefelsäure <= 5 %, fest
Marine Pollutant	No

Frequently Asked Questions

What is 4-hydroxybenzenesulfonic acid?

4-hydroxybenzenesulfonic acid (CAS 98-67-9) is a chemical substance with the formula C6H6O4S used in various industrial applications.

What are the properties of 4-hydroxybenzenesulfonic acid?

4-hydroxybenzenesulfonic acid has a molar mass of 174.18 g/mol. See the technical data above for more details.

How to store 4-hydroxybenzenesulfonic acid safely?

4-hydroxybenzenesulfonic acid should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is 4-hydroxybenzenesulfonic acid dangerous?

The hazard level of 4-hydroxybenzenesulfonic acid depends on the application. Always follow the safety instructions in the data sheet.

Where can I buy 4-hydroxybenzenesulfonic acid?

You can order 4-hydroxybenzenesulfonic acid (CAS 98-67-9) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.