Product Name

  • Name

    9,10-Dihydro-7-methylbenzo[a]pyrene

  • EINECS
  • CAS No. 7499-32-3
  • Density 1.219g/cm3
  • Solubility
  • Melting Point
  • Formula C21H16
  • Boiling Point 456.4°Cat760mmHg
  • Molecular Weight 268.37
  • Flash Point 223.4°C
  • Transport Information
  • Appearance
  • Safety Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 7499-32-3 (9,10-Dihydro-7-methylbenzo[a]pyrene)
  • Hazard Symbols
  • Synonyms 7-methyl-9,10-dihydro-benzo[def]chrysene;1':2'-Dihydro-4'-methyl-3:4-benzpyrene;BENZO(a)PYRENE,9,10-DIHYDRO-7-METHYL;Benzo[a]pyrene, 9,10-dihydro-7-methyl-;7-Methyl-9,10-dihydro-benzo[def]chrysen;9,10-Dihydro-7-methylbenzo(a)pyrene;
  • PSA 0.00000
  • LogP 5.93350

9,10-Dihydro-7-methylbenzo(a)pyrene Chemical Properties


IUPAC Name of 9,10-Dihydro-7-methylbenzo(a)pyrene (CAS NO.7499-32-3) : 7-methyl-9,10-dihydrobenzo[a]pyrene 
Molecular Weight: 268.35174 g/mol
Molecular Formula: C21H16
Density: 1.219 g/cm3
Boiling Point: 456.4 °C at 760 mmHg
Flash Point: 223.4 °C
Molar Volume: 220 cm3
Polarizability: 37.08*10-24 cm3
Surface Tension: 56.2 dyne/cm 
Enthalpy of Vaporization: 68.89 kJ/mol
Vapour Pressure: 4.39E-08 mmHg at 25 °C
XLogP3-AA: 6
Exact Mass: 268.125201
MonoIsotopic Mass: 268.125201
Heavy Atom Count: 21
Complexity: 447
Canonical SMILES: CC1=CCCC2=C1C=C3C=CC4=C5C3=C2C=CC5=CC=C4
InChI: InChI=1S/C21H16/c1-13-4-2-7-17-18-11-10-15-6-3-5-14-8-9-16(12-19(13)17)21(18)20(14)15/h3-6,8-12H,2,7H2,1H3
InChIKey 9,10-Dihydro-7-methylbenzo(a)pyrene (CAS NO.7499-32-3) : YIXWJCYFBRJSQB-UHFFFAOYSA-N

9,10-Dihydro-7-methylbenzo(a)pyrene Safety Profile

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

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