Product Name

  • Name

    4-PHENYL-3-THIOSEMICARBAZIDE

  • EINECS
  • CAS No. 5351-69-9
  • Article Data117
  • CAS DataBase
  • Density 1.14g/cm3
  • Solubility
  • Melting Point 138-140 °C(lit.)
  • Formula C7H9 N3 S
  • Boiling Point 281.3°Cat760mmHg
  • Molecular Weight 167.235
  • Flash Point 123.9°C
  • Transport Information
  • Appearance white to slightly yellow fine crystalline powder
  • Safety Poison by ingestion and intraperitoneal routes. Moderately toxic by parenteral route. When heated to decomposition it emits very toxic fumes of NOx and SOx.
  • Risk Codes R25
  • Molecular Structure Molecular Structure of 5351-69-9 (4-PHENYL-3-THIOSEMICARBAZIDE)
  • Hazard Symbols T,Xi
  • Synonyms Semicarbazide,4-phenyl-3-thio- (6CI,7CI,8CI); 4-Phenyl-3-thiosemicarbazide;4-Phenylhydrazinethiocarbamide; 4-Phenylthiosemicarbazide;N-Phenylhydrazinecarbothioamide; N-Phenylthiosemicarbazide;N1-Phenylthiosemicarbazide; NSC 58946; NSC 704; Phenylthiosemicarbazide
  • PSA 82.17000
  • LogP 2.01090

4-Phenyl-3-thiosemicarbazide Chemical Properties

IUPAC Name: 1-Amino-3-phenylthiourea
Synonyms: N1-Cyclohexylhydrazine-1-carbothioamide ; 21198-18-5 [RN] ; 4-Cyclohexylthiosemicarbazide ; N-Cyclohexylhydrazinecarbothioamide ; Semicarbazide, 4-cyclohexyl-3-thio- ; 3-Amino-1-cyclohexyl-thiourea
The Molecular Formula of  4-Phenyl-3-thiosemicarbazide (5351-69-9):C7H15N3S
The Molecular Weight of   4-Phenyl-3-thiosemicarbazide (5351-69-9):173.2791 g/mol
The Molecular Structure of strong> nbsp; 4-Phenyl-3-thiosemicarbazide (5351-69-9):
Index of Refraction: 1.581
Molar Refractivity: 50.42 cm3
Molar Volume: 151.1 cm3
Surface Tension: 55 dyne/cm
Density: 1.14 g/cm3
Flash Point: 123.9 °C
Enthalpy of Vaporization: 52.01 kJ/mol
Boiling Point: 281.3 °C at 760 mmHg
Vapour Pressure: 0.00359 mmHg at 25°C

4-Phenyl-3-thiosemicarbazide Uses

   4-Phenyl-3-thiosemicarbazide (5351-69-9) can be used in organic synthesis.

4-Phenyl-3-thiosemicarbazide Toxicity Data With Reference

1.    

orl-rat LDLo:50 mg/kg

    NCNSA6    National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. 5 (1953),44.
2.    

orl-mus LD50:30 mg/kg

    GTPZAB    Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 28 (6)(1984),55.
3.    

ipr-mus LDLo:15 mg/kg

    NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .
4.    

par-rat LD50:750 mg/kg

    ARZNAD    Arzneimittel-Forschung. Drug Research. 12 (1962),260.

4-Phenyl-3-thiosemicarbazide Consensus Reports

Reported in EPA TSCA Inventory.

4-Phenyl-3-thiosemicarbazide Safety Profile

Poison by ingestion and intraperitoneal routes. Moderately toxic by parenteral route. When heated to decomposition it emits very toxic fumes of NOx and SOx.
Hazard Codes: T,Xi
Risk Statements: 25
R25:  Toxic if swallowed 
Safety Statements: 45
S45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
WGK Germany: 3

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