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CAS No. 13345-23-8 Density 1.379g/cm3
Solubility Melting Point
Formula C20H12 O Boiling Point 527.2°Cat760mmHg
Molecular Weight 268.32 Flash Point 252.9°C
Transport Information Appearance
Safety Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. Risk Codes
Molecular Structure Molecular Structure of 13345-23-8 (Benzo[a]pyren-1-ol) Hazard Symbols



Benzo(a)pyren-1-ol Chemical Properties

IUPAC Name: benzo[a]pyren-1-ol 
Synonyms of Benzo(a)pyren-1-ol (CAS NO.13345-23-8): 1-Hydroxybenzo(a)pyrene ; 3-06-00-03808 (Beilstein Handbook Reference) ; BRN 2380732 ; CCRIS 1070
CAS NO: 13345-23-8
Molecular Formula of Benzo(a)pyren-1-ol (CAS NO.13345-23-8): C20H12
Molecular Weight: 268.3087 
H bond acceptors: 1
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 9.23 Å2
Index of Refraction: 1.924
Molar Refractivity: 92.18 cm3
Molar Volume: 194.5 cm3
Surface Tension: 72.9 dyne/cm
Density of Benzo(a)pyren-1-ol (CAS NO.13345-23-8): 1.379 g/cm3
Flash Point: 252.9 °C
Enthalpy of Vaporization: 83.19 kJ/mol
Boiling Point: 527.2 °C at 760 mmHg
Vapour Pressure: 9.85E-12 mmHg at 25°C
Molecular Structure:

Benzo(a)pyren-1-ol Toxicity Data With Reference


mmo-sat 7 µg/plate

    ENMUDM    Environmental Mutagenesis. 7 (1985),839.

mma-sat 2500 ng/plate

    BCPCA6    Biochemical Pharmacology. 28 (1979),1615.

dnd-hmn:fbr 30 µmol/L

    CBINA8    Chemico-Biological Interactions. 41 (1982),155.

mma-ham:lng 3700 nmol/L

    PNASA6    Proceedings of the National Academy of Sciences of the United States of America. 73 (1976),607.

msc-ham:lng 15 mg/L

    CNREA8    Cancer Research. 36 (1976),3350.

Benzo(a)pyren-1-ol Consensus Reports

EPA Genetic Toxicology Program.

Benzo(a)pyren-1-ol Safety Profile

Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.

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