Benzo(ghi)perylene
Benzo[ghi]perylene is a polycyclic aromatic hydrocarbon with the chemical formula C22H12.
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| Identifiers | |
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| ChemSpider | |
| ECHA InfoCard | 100.005.350  |
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| UNII | |
| UN number | 3077, 3082 |
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| Properties | |
| C22H12 | |
| Molar mass | 276.3307 |
| Appearance | solid |
| Density | 1.378 g/cm3 |
| Melting point | 278 °C (532 °F; 551 K) |
| Boiling point | 500 °C (932 °F; 773 K) |
| Hazards | |
| GHS pictograms |  |
| GHS Signal word | Warning |
| H400, H410, H413 | |
| P273, P391, P501 | |
| Flash point | 247.2 °C (477.0 °F; 520.3 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Occurrence and safety
Benzo[ghi]perylene occurs naturally in crude oil and coal tar. It is a product of incomplete combustion and is found in tobacco smoke, automobile exhausts, industrial emissions, grilled meat products and edible oils. In the atmosphere, it is adsorbed to particles and is deposited into the soil and water.[1]
The compound accumulates strongly in organisms and the environment, and is suspected to be mutagenic and carcinogenic. It is one of 16 PAHs included in the EPA list of priority pollutants.
References
- "Benzo[ghi]perylene – German Environmental Specimen Bank". www.umweltprobenbank.de. Retrieved 2020-08-05.
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