4-Hydroxybenzenesulfonic acid

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
4-Hydroxybenzenesulfonic acid Structure
4-Hydroxybenzenesulfonic acid Chemical Properties
Melting point 52 °C
Boiling point 275.14°C (rough estimate)
density 1.337 g/mL at 25 °C
vapor pressure 69.8Pa at 20℃
refractive index n20/D 1.489
solubility Water (Slightly)
pka9.11(at 25℃)
form Liquid
color White to Light yellow to Light red
Specific Gravity1.337
Water Solubility Soluble in water.
Merck 14,7246
BRN 1869034
Stability:Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKeyFEPBITJSIHRMRT-UHFFFAOYSA-N
LogP0.41 at 25℃
CAS DataBase Reference98-67-9(CAS DataBase Reference)
NIST Chemistry ReferenceBenzenesulfonic acid, 4-hydroxy-(98-67-9)
EPA Substance Registry Systemp-Phenolsulfonic acid (98-67-9)
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 Data98-67-9(Hazardous Substances Data)
MSDS Information
ProviderLanguage
SigmaAldrich English
4-Hydroxybenzenesulfonic acid Usage And Synthesis
Chemical Propertiesyellowish oily liquid
Uses4-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.
DefinitionChEBI: An arenesulfonic acid that is phenol substituted by a sulfo group at C-4.
Flammability and ExplosibilityNonflammable
4-Hydroxybenzenesulfonic acid Preparation Products And Raw materials
Preparation ProductsSulfur-->PHENOL-FORMALDEHYDE RESIN-->Polyester resin paint-->conductive coating-composite system of acrylic copolymer and cuprous iodide-->Epoxy coal tar pitch anticorrosive coating-->SULFORHODAMINE B-->Epoxy zinc rich primer-->high strength adhesive HF-685-->piling adhesive YH-891-->synthetic tanning agent HV-->Epoxy polyester powder coating,mixed type-->Direct Red 243-->high temperatures structure adhesive TS812-->DAD-24 adhesive-->polyurethane adhesive for dry laminating-->high strength adhesive TS802-->rubber-asphalt cold gluing waterproof paint-->high temperature sealing putty TS747-->adhesive for ceramics and glass-->DAD-40 conductive adhesive-->high temperatures repair putty TS767-->Epoxy powder coating-->Self-crosslinking vinyl acetate copolymer latex VNA-->molding sand binder
Sulfanilic acid p-Toluenesulfonic acid Nonylphenol (S)-Amlodipine Phenol Red Amlodipine Besylate 4-Amino-benzenesulfonic acid monosodium salt Phenol SULFONIC ACID Benzenesulfonic acid P-TOLUENE SULFO ACID Calcium dobesilate 4-Aminophenol Sodium 4-hydroxybenzenesulfonate PHENOLSULFONIC ACID 4-Hydroxybenzenesulfonic acid C.I. 14720 Dodecylbenzenesulphonic acid

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