Tianjin Crest Pharmaceutical R&D Co., Ltd.

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  • Company Name: Tianjin Crest Pharmaceutical R&D Co., Ltd.
  • Street: Building B5-405, No, 80 4th Avenue, TEDA, Tianjin, China P.R. 300457
  • City: tianjin
  • Province/state: tianjin
  • Country/region: China
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3-Amino-1-phenyl-2-pyrazolin-5-one

  • CAS No:4149-06-8 5-amino-2-phenyl-4H-pyrazol-3-one
    Molecular Structure

    Other Information

  • CAS Registry Number: 4149-06-8
  • Melting Point: 210-215 °C (dec.)(lit.)
  • Flash Point: 142.7°C
  • Boiling Point: 312.3°Cat760mmHg
  • Density: 1.34g/cm3
  • Safety Statements: Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of NOx.
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: 142.7°C
  • EINECS: 223-974-0
  • Molecular Weight: 175.18726
  • InchiKey: LPOVZHYARSAVIZ-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H9N3O/c10-8-6-9(13)12(11-8)7-4-2-1-3-5-7/h1-5H,6H2,(H2,10,11)
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C9H9N3O