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4-Hydroxybenzenesulfonic acid

Basic information Safety Supplier Related

4-Hydroxybenzenesulfonic acid Basic information

Product Name:
4-Hydroxybenzenesulfonic acid
Synonyms:
  • 4-hydroxy-benzenesulfonicaci
  • 4-Hydroxyphenylsulfonic acid
  • 4-hydroxyphenylsulfonicacid
  • 4-Phenolsulfonic acid
  • 4-phenolsulfonicacid
  • Benzenesulfonic acid, p-hydroxy-
  • ARADUR 5003-1 BD
  • p-hydoroxybenzenesulfonic acid
CAS:
98-67-9
MF:
C6H6O4S
MW:
174.17
EINECS:
202-691-6
Product Categories:
  • Intermediates of Dyes and Pigments
  • Organic acids
Mol File:
98-67-9.mol
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4-Hydroxybenzenesulfonic acid Chemical Properties

Melting point:
52 °C
Boiling point:
275.14°C (rough estimate)
Density 
1.337 g/mL at 25 °C
refractive index 
n20/D 1.489
pka
9.11(at 25℃)
form 
Liquid
Specific Gravity
1.337
Water Solubility 
Soluble in water.
Merck 
14,7246
BRN 
1869034
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey
FEPBITJSIHRMRT-UHFFFAOYSA-N
CAS DataBase Reference
98-67-9(CAS DataBase Reference)
NIST Chemistry Reference
Benzenesulfonic acid, 4-hydroxy-(98-67-9)
EPA Substance Registry System
p-Phenolsulfonic acid (98-67-9)
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Safety Information

Hazard Codes 
C
Risk Statements 
34-68
Safety Statements 
26-36/37/39-45
RIDADR 
UN 2586 8/PG 3
WGK Germany 
-
RTECS 
DB6970000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29089990
Hazardous Substances Data
98-67-9(Hazardous Substances Data)

MSDS

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4-Hydroxybenzenesulfonic acid Usage And Synthesis

Chemical Properties

yellowish oily liquid

Definition

ChEBI: An arenesulfonic acid that is phenol substituted by a sulfo group at C-4.

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