| Melting point | 164℃ | 
                        
                            | Boiling point | 536°C | 
                        
                            | Density | 1.1847 (estimate) | 
                        
                            | vapor pressure | 1.01 x 10-10 mmHg at 25 °C (McVeety and Hites, 1988) | 
                        
                            | refractive index | 1.9800 (estimate) | 
                        
                            | Flash point | -18 °C | 
                        
                            | storage temp. | APPROX 4°C | 
                        
                            | solubility | Soluble in most solvents (U.S. EPA, 1985) including low molecular weight liquid hydrocarbons
such as benzene, ethylene, and toluene. | 
                        
                            | pka | >15 (Christensen et al., 1975) | 
                        
                            | form | buffered aqueous glycerol solution | 
                        
                            | color | Light Yellow to Very Dark Orange | 
                        
                            | biological source | human | 
                        
                            | Water Solubility | 62 μg/L (Sims et al., 1988) | 
                        
                            | BRN | 1879312 | 
                        
                            | Henry's Law Constant | (x 10-7 atm?m3/mol):
1.78, 2.86, 5.63, 6.02, 7.60, and 10.36 at 10.0, 20.0, 35.0, 40.1, 45.0, and 55.0 °C, respectively
(wetted-wall column, ten Hulscher et al., 1992) | 
                        
                            | Stability | Stable. Incompatible with strong oxidizing agents. | 
                        
                            | InChIKey | SXQBHARYMNFBPS-UHFFFAOYSA-N | 
                        
                            | CAS DataBase Reference | 193-39-5(CAS DataBase Reference) | 
                        
                            | IARC | 2B (Vol. Sup 7, 92) 2010 | 
                        
                            | EPA Substance Registry System | Indeno[1,2,3-cd]pyrene (193-39-5) |