Molecule structure of 5-Formyl-8-methyl-3,4:9,10-dibenzopyrene (CAS NO.63040-56-2):

Molecular Weight: 344.40464 g/mol
Molecular Formula: C₂₆H₁₆O 
Density: 1.334 g/cm³ 
Boiling Point: 615 °C at 760 mmHg 
Flash Point: 414.1 °C
Index of Refraction: 1.895
Molar Refractivity: 119.72 cm³
Molar Volume: 258.1 cm³
Polarizability: 47.46×10^-24 cm³
Surface Tension: 67.5 dyne/cm 
Enthalpy of Vaporization: 91.24 kJ/mol
Vapour Pressure: 4.66E-15 mmHg at 25 °C
XLogP3-AA: 7.1
H-Bond Acceptor: 1
Rotatable Bond Count: 1
Exact Mass: 344.120115
MonoIsotopic Mass: 344.120115
Topological Polar Surface Area: 17.1
Heavy Atom Count: 27
Complexity: 583 
Canonical SMILES: CC1=C2C=CC3=C(C4=CC=CC=C4C5=C3C2=C(C=C5)C6=CC=CC=C16)C=O
InChI: InChI=1S/C26H16O/c1-15-16-6-2-3-7-18(16)21-12-13-22-19-8-4-5-9-20(19)24(14-27)23-11-10-17(15)25(21)26(22)23/h2-14H,1H3
InChIKey: MCGBHWDYRPGANM-UHFFFAOYSA-N
Classification Code of 5-Formyl-8-methyl-3,4:9,10-dibenzopyrene (CAS NO.63040-56-2): Tumor data

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

 5-Formyl-8-methyl-3,4:9,10-dibenzopyrene (CAS NO.63040-56-2) is also named as 4-07-00-01941 (Beilstein Handbook Reference) ; 8-Methylbenzo(rst)pentaphene-5-carboxaldehyde ; BRN 2598235 ; Benzo(rst)pentaphene-5-carboxaldehyde, 8-methyl- .