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CAS No 140-22-7 , 1,3-dianilinourea

  • Name: 1,3-dianilinourea
  • Synonyms: 1,5-Diphenylcarbonohydrazide;1,3-dianilinourea; 140-22-7; Diphenylcarbazide; 1,5-Diphenylcarbohydrazide; Carbohydrazide; 1,5-diphenyl-;1,5-Diphenylcarbazide;
  • CAS Registry Number:
  • Melting Point: 170-173 ºC
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.292 g/cm3
  • Refractive index: 1.697
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29280090
  • Flash Point: °C
  • EINECS: 205-403-7
  • Molecular Weight: 242.27646
  • InchiKey: KSPIHGBHKVISFI-UHFFFAOYSA-N
  • InChI: InChI=1S/C13H14N4O/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/
    h1-10,14-15H,(H2,16,17,18)
  • Risk Statements: S26;S36
  • Molecular Formula: C13H14N4O
  • Molecular Structure:CAS No:140-22-7 1,3-dianilinourea

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References of 1,3-dianilinourea
Title: sym-Diphenylcarbazide
CAS Registry Number: 140-22-7
CAS Name: 2,2￠-Diphenylcarbonic dihydrazide
Molecular Formula: C13H14N4O
Molecular Weight: 242.28
Percent Composition: C 64.45%, H 5.82%, N 23.12%, O 6.60%
Line Formula: C6H5NHNHCONHNHC6H5
Properties: White, cryst powder, gradually becomes pink. mp 168-171°. Very slightly sol in water; sol in hot alcohol, acetone, glacial acetic acid. Keep protected from light.
Melting point: mp 168-171°
Use: As indicator in titrating Fe; for the colorimetric determination of Cr, detection of Cd, Hg, Mg, aldehydes, emetine.