IUPAC Name: benzo[a]pyren-6-ylmethyl benzoate 
Empirical Formula: C₂₈H₁₈O₂
Molecular Weight: 386.4413g/mol 
Structure of 6-Benzoyloxymethylbenzo(a)pyrene (CAS NO.42978-42-7):

Index of Refraction: 1.805
Molar Refractivity: 126.56 cm³
Molar Volume: 294.6 cm³
Polarizability: 50.17×10^-24cm³
Surface Tension: 63 dyne/cm
Density: 1.311 g/cm³
Flash Point: 260.2 °C
Enthalpy of Vaporization: 90.54 kJ/mol
Boiling Point: 609.5 °C at 760 mmHg
Vapour Pressure: 8.46E-15 mmHg at 25°C 
Classification Code: Tumor data 
Canonical SMILES: C1=CC=C(C=C1)C(=O)OCC2=C3C=CC4=CC=CC5=C4C3=C(C=C5)C6=CC=CC=C62
InChI: InChI=1S/C28H18O2/c29-28(20-7-2-1-3-8-20)30-17-25-22-12-5-4-11-21(22)23-15-13-18-9-6-10-19-14-16-24(25)27(23)26(18)19/h1-16H,17H2
InChIKey: MEGZLHDPOVJNPI-UHFFFAOYSA-N

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

  6-Benzoyloxymethylbenzo(a)pyrene , its cas register number is 42978-42-7. It also can be called BRN 2483705 ; Benzo(a)pyrene, 6-benzoyloxymethyl- . When heated to decomposition it emits acrid smoke and irritating fumes. Wear suitable protective clothing and gloves when contact with 6-Benzoyloxymethylbenzo(a)pyrene (CAS NO.42978-42-7).