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CAS No 98-67-9 , 4-hydroxybenzenesulfonic acid Search by region : China

  • Name: 4-hydroxybenzenesulfonic acid
  • Synonyms: p-Sulfophenol; 4-hydroxy-; Benzenesulfonic acid; Sulfocarbolic acid;4-Hydroxybenzenesulfonic acid;4-hydroxybenzenesulfonic acid; p-Phenolsulfonic acid; 4-Phenolsulfonic acid;
  • CAS Registry Number:
  • Transport: UN 1803
  • Melting Point: 50
  • Density: 1.337 g/mL at 25 °C
  • Refractive index: 20/D 1.489
  • Water Solubility: Soluble
  • Safety Statements: R34
  • Hazard Symbols: C: Corrosive;
  • EINECS: 202-691-6
  • Molecular Weight: 174.17444
  • InchiKey: FEPBITJSIHRMRT-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H6O4S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4,7H,(H,8,9,10)
  • Risk Statements: S26;S36/37/39;S45
  • Molecular Formula: C6H6O4S
  • Molecular Structure:CAS No:98-67-9 4-hydroxybenzenesulfonic acid

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References of 4-hydroxybenzenesulfonic acid
Title: p-Phenolsulfonic Acid
CAS Registry Number: 98-67-9
CAS Name: 4-Hydroxybenzenesulfonic acid
Synonyms: sulfocarbolic acid
Molecular Formula: C6H6O4S
Molecular Weight: 174.17
Percent Composition: C 41.38%, H 3.47%, O 36.74%, S 18.41%
Literature References: Commercially available as a 65% soln. Prepn by hydrolysis of p-chloro- or p-bromobenzenesulfonic acid: Zollinger, Roehling, US 1321271 (1920); by sulfonation of phenol: Davidson, Byrne, GB 820659 (1959 to Hardman & Holden). Prepn of ammonium salt: Oxley et al., J. Chem. Soc. 1948, 303.
Properties: Deliquescent needles. Miscible with water, alcohol.
 
Derivative Type: Ammonium salt
Synonyms: Ammonium p-phenolsulfonate
Molecular Formula: C6H9NO4S
Molecular Weight: 191.20
Percent Composition: C 37.69%, H 4.74%, N 7.33%, O 33.47%, S 16.77%
Properties: Plates from water, dec 270-271°.
 
Derivative Type: Barium salt
Synonyms: Barium p-phenolsulfonate
Molecular Formula: C12H10BaO8S2
Molecular Weight: 483.66
Percent Composition: C 29.80%, H 2.08%, Ba 28.39%, O 26.46%, S 13.26%
Properties: Monohydrate, powder. Poisonous! Sol in water; slightly sol in alcohol.
 
CAUTION: Irritating to skin.
Use: Intermediate in mfg of pharmaceuticals, dyestuffs. In the Ferrostan process of tin plating (U.S. Steel).