Product Name

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  • Name

    pinazepam

  • EINECS
  • CAS No. 52463-83-9
  • Article Data5
  • CAS DataBase
  • Density 1.19g/cm3
  • Solubility
  • Melting Point 140-142°
  • Formula C18H13 Cl N2 O
  • Boiling Point 523.6°C at 760 mmHg
  • Molecular Weight 308.767
  • Flash Point 270.5°C
  • Transport Information
  • Appearance
  • Safety Poison by intraperitoneal route. Moderately toxic by ingestion. Used as an antidepressant. Note: This is a controlled substance (depressant) listed in the U.S. Code of Federal Regulations, Title 21 Part 1308.14 (1985). When heated to decomposition it emits toxic fumes of Cl− and NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 52463-83-9 (pinazepam)
  • Hazard Symbols
  • Synonyms 2H-1,4-Benzodiazepin-2-one,7-chloro-1,3-dihydro-5-phenyl-1-(2-propynyl)- (9CI);7-Chloro-5-phenyl-1-prop-2-ynyl-1,3-dihydrobenzo[e][1,4]diazepin-2-one; Domar;Duna; Pinazepam; Z 905; Zami 905
  • PSA 32.67000
  • LogP 2.65780

Pinazepam Chemical Properties

Product Name: Pinazepam (CAS NO.52463-83-9)


Molecular Formula: C18H13ClN2O
Molecular Weight: 308.7616g/mol
Mol File: 52463-83-9.mol
Einecs: 257-934-9
Boiling point: 523.6 °C at 760 mmHg
Flash Point: 270.5 °C
Density: 1.19 g/cm3
Surface Tension: 44.3 dyne/cm
Enthalpy of Vaporization: 79.73 kJ/mol
Vapour Pressure: 4.66E-11 mmHg at 25°C
XLogP3-AA: 3.1
H-Bond Donor: 0
H-Bond Acceptor: 2
Structure Descriptors of Pinazepam (CAS NO.52463-83-9):
  UPAC Name: 7-chloro-5-phenyl-1-prop-2-ynyl-3H-1,4-benzodiazepin-2-one
  Canonical SMILES: C#CCN1C(=O)CN=C(C2=C1C=CC(=C2)Cl)C3=CC=CC=C3
  InChI: InChI=1S/C18H13ClN2O/c1-2-10-21-16-9-8-14(19)11-15(16)18(20-12-17(21)22)13-6-4-3-5-7-13/h1,3-9,11H,10,12H2 
  InChIKey: MFZOSKPPVCIFMT-UHFFFAOYSA-N

Pinazepam Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 266mg/kg (266mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 25, Pg. 934, 1975.
mouse LD50 oral 1302mg/kg (1302mg/kg)   United States Patent Document. Vol. #4313943,
rabbit LD50 oral 494mg/kg (494mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 25, Pg. 934, 1975.
rat LD50 intraperitoneal 622mg/kg (622mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 25, Pg. 934, 1975.
rat LD50 oral 5819mg/kg (5819mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 25, Pg. 934, 1975.

Pinazepam Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. Used as an antidepressant. Note: This is a controlled substance (depressant) listed in the U.S. Code of Federal Regulations, Title 21 Part 1308.14 (1985). When heated to decomposition it emits toxic fumes of Cl− and NOx.

Pinazepam Specification

 Pinazepam ,its CAS NO. is 52463-83-9,the synonyms is 2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-5-phenyl-1-(2-propynyl)- ; 5-24-04-00304 (Beilstein Handbook Reference) ; 7-Chloro-1,3-dihydro-5-phenyl-1-(2-propynyl)-2H-1,4-benzodiazepin-2-one ; 7-Chloro-1-propargyl-5-phenyl-2H-1,4-benzodiazepin-2-one ; 7-Chloro-2,3-dihydro-5-phenyl-1-propargyl-1H-1,4-benzodiazepin-2-one ; BRN 0758533 ; EINECS 257-934-9 ; Pinazepamum ; UNII-5286RBZ882 ; Z-905 ; ZAMI 905 .

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