Product Name

  • Name

    benzo(a)pyrene 4,5-epoxide

  • EINECS
  • CAS No. 37574-47-3
  • Article Data5
  • CAS DataBase
  • Density 1.39g/cm3
  • Solubility
  • Melting Point
  • Formula C20H12 O
  • Boiling Point 518.9°Cat760mmHg
  • Molecular Weight 268.315
  • Flash Point 249°C
  • Transport Information
  • Appearance
  • Safety Questionable carcinogen with experimental tumorigenic and neoplastigenic data. Mutation data reported. When heated to decomposition it emits acrid and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 37574-47-3 (benzo(a)pyrene 4,5-epoxide)
  • Hazard Symbols
  • Synonyms (?à)-Benzo[a]pyrene 4,5-epoxide; (?à)-Benzo[a]pyrene 4,5-oxide;4,5-Dihydrobenzo[a]pyrene 4,5-oxide; Benzo[a]pyrene 4,5-epoxide; Benzo[a]pyrene4,5-oxide; Benzopyrene 4,5-epoxide
  • PSA
  • LogP

Benzo(a)pyrene-4,5-oxide Chemical Properties

Molecular Structure of Benzo(a)pyrene-4,5-oxide (CAS NO. 37574-47-3):

IUPAC Name: benzo[b]pyrene-6,12-dione 
Empirical Formula: C20H12
Molecular Weight: 268.3087 
Index of Refraction: 1.861 
Surface Tension: 70.1 dyne/cm 
Density: 1.39 g/cm
Flash Point: 249 °C 
Enthalpy of Vaporization: 76.16 kJ/mol 
Boiling Point: 518.9 °C at 760 mmHg 
Vapour Pressure: 2.37E-10 mmHg at 25°C 
Classification Code: Tumor data;Mutation data;Noxae;Carcinogens

Benzo(a)pyrene-4,5-oxide Toxicity Data With Reference

1.    

mmo-sat 250 ng/plate

    ENMUDM    Environmental Mutagenesis. 7 (1985),839.
2.    

mma-sat 1 µg/plate

    ENMUDM    Environmental Mutagenesis. 7 (1985),839.
3.    

mmo-esc 1 µg/plate

    TCMUD8    Teratogenesis, Carcinogenesis, and Mutagenesis. 5 (1985),339.
4.    

dnr-bcs 1- µg/plate

    CNREA8    Cancer Research. 45 (1985),2600.
5.    

dnd-mam:lym 800 nmol

    CRNGDP    Carcinogenesis. 3 (1982),267.

Benzo(a)pyrene-4,5-oxide Consensus Reports

EPA Genetic Toxicology Program.

Benzo(a)pyrene-4,5-oxide Safety Profile

Questionable carcinogen with experimental tumorigenic and neoplastigenic data. Mutation data reported. When heated to decomposition it emits acrid and irritating fumes.

Benzo(a)pyrene-4,5-oxide Specification

 Benzo(a)pyrene-4,5-oxide ,its CAS number is 37574-47-3,it can be called benzo(a)pyrene 4,5-epoxide ; Benzo[a]pyrene-4,5-oxide ; 3b,4a-dihydrobenzo[1,2]pyreno[4,5-b]oxirene and 4,5-epoxy-4,5-dihydrobenzo[a]pyrene .

 Benzo(a)pyrene-4,5-oxide (CAS NO. 37574-47-3) is a toxic substance,with flammability, burning will produce toxic fumes,so it should be stored in cool and dry environment,dry powder,foam,sand, carbon dioxide,water mist can be used if something urgent happened.

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