4-Hydroxybenzenesulfonic acid, 65%

Description

CAS: 98-67-9 | C6H6O4S | 174.17 g/mol

4-Hydroxybenzenesulfonic Acid is used as a redox-mediator in the laccase-catalyzed degradation of indigo, a textile dye. Also used in oilfield chemicals, metal working, and as a polymerization catalyst.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
4-Hydroxybenzenesulfonic Acid is used as a redox-mediator in the laccase-catalyzed degradation of indigo, a textile dye. Also used in oilfield chemicals, metal working, and as a polymerization catalyst.

Solubility
Soluble in water.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from oxidizing agent.

Specifications

Chemical Identifiers

• CAS: 98-67-9
• Molecular Formula: C6H6O4S
• Molecular Weight (g/mol): 174.17
• MDL Number: MFCD00007506
• InChI Key: FEPBITJSIHRMRT-UHFFFAOYSA-N
• Synonym: p-phenolsulfonic acid, phenolsulfonic acid, 4-phenolsulfonic acid, p-sulfophenol, sulfocarbolic acid, benzenesulfonic acid, 4-hydroxy, p-hydroxybenzenesulfonic acid, phenol-4-sulfonic acid, benzenesulfonic acid, p-hydroxy, 4-hydroxyphenylsulfonic acid
• PubChem CID: 4765
• ChEBI: CHEBI:32354
• IUPAC Name: 4-hydroxybenzenesulfonic acid
• SMILES: OC1=CC=C(C=C1)S(O)(=O)=O

• Density: 1.337 g/mL
• Refractive Index: 1.489
• Quantity: 250 mL
• UN Number: UN1803
• Beilstein: 1869034
• Solubility Information: Soluble in water.
• Formula Weight: 174.17
• Percent Purity: 65%
• Physical Form: Liquid
• Chemical Name or Material: 4-Hydroxybenzenesulfonic acid

Safety and Handling

Hazard Category	H314-H335
Hazard Statement	GHS H Statement H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation	Transport Hazard Class: 8; Packaging Group: II; Proper Shipping Name: PHENOLSULFONIC ACID, LIQUID
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only