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CAS No 98-66-8 , 4-chlorobenzenesulfonic acid

  • Name: 4-chlorobenzenesulfonic acid
  • Synonyms: 4-chlorobenzenesulfonic acid;p-Chlorobenzenesulfonic acid; Benzenesulfonic acid; p-chloro-; p-Chlorophenylsulfonic acid; 4-Chlorobenzenesulphonic acid; 98-66-8;
  • CAS Registry Number:
  • Transport: UN 2583
  • Melting Point: 102 ºC
  • Flash Point: 108 C
  • Boiling Point: 149 C
  • Density: 1.551g/cm3
  • Water Solubility: Soluble in water and ethanol
  • Safety Statements: R22;R34
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 108 C
  • EINECS: 202-690-0
  • Molecular Weight: 192.6201
  • InchiKey: RJWBTWIBUIGANW-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H5ClO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,(H,8,9,10)
  • Risk Statements: S24/25
  • Molecular Formula: C6H5ClO3S
  • Molecular Structure:CAS No:98-66-8 4-chlorobenzenesulfonic acid

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References of 4-chlorobenzenesulfonic acid
Title: p-Chlorobenzenesulfonic Acid
CAS Registry Number: 98-66-8
CAS Name: 4-Chlorobenzenesulfonic acid
Synonyms: closylate
Molecular Formula: C6H5ClO3S
Molecular Weight: 192.62
Percent Composition: C 37.41%, H 2.62%, Cl 18.41%, O 24.92%, S 16.65%
Literature References: Prepd by heating chlorobenzene with concd sulfuric acid or oleum under dehydrating conditions: Meyer, Ann. 433, 327, 333 (1923).
 
Derivative Type: Monohydrate
Properties: Crystals from water, mp 67°. The anhydr material is usually obtained as a syrup, bp25 148°. Sol in water, alc. Practically insol in ether, benzene.
Melting point: mp 67°
Boiling point: bp25 148°
 
Derivative Type: Sodium salt monohydrate
Molecular Formula: C6H4ClNaO3S.H2O
Molecular Weight: 232.62
Percent Composition: C 30.98%, H 2.60%, Cl 15.24%, Na 9.88%, O 27.51%, S 13.78%
Properties: Cubic crystals from water. Sol in water.