Benzo[a]pyrene

C20H12CAS 50-32-8252.32 g/mol

Properties

Molecular formula
C20H12
Molar mass
252.32 g/mol
Exact mass
252.0939 Da
Density
1.35 g/mL
Melting point
179–179.3 °C
Boiling point
310–312 °C (at 10 Torr)
Water solubility
< 1 g/L (17.2 °C)
logP
5.74Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
0

Hazards

Danger
Irritant (GHS07)Health Hazard (GHS08)Environmental Hazard (GHS09)

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P203, P261, P272, P273, P280, P302+P352, P318, P321, P333+P317, P362+P364, P391, P405, P501

Identifiers

CAS number
50-32-8
SMILES
c1ccc2c(c1)cc1ccc3cccc4ccc2c1c34
InChIKey
FMMWHPNWAFZXNH-UHFFFAOYSA-N
InChI
InChI=1S/C20H12/c1-2-7-17-15(4-1)12-16-9-8-13-5-3-6-14-10-11-18(17)20(16)19(13)14/h1-12H

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Type any one amount. The others follow from the molar mass and density.

Names and synonyms

12 names
  • Benzo(A)pyrene
  • 3,4-Benzpyrene
  • 3,4-Benzopyrene
  • Benzopyrene
  • Benz[a]pyrene
  • 3,4-Benz[a]pyrene
  • 6,7-Benzopyrene
  • 4,5-Benzpyrene
  • Benzo[d,e,f]chrysene
  • 3,4-Benzpyrene (carcinogen)
  • BaP
  • NSC 21914

Work with Benzo[a]pyrene

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere