Benzo[a]pyrene

Independent reference data for Benzo[a]pyrene (CAS 50-32-8), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Used as a research chemical; Not commercially used in the US; [HSDB] Formed during incomplete combustion of organic compounds; Highest levels in aluminum production (up to 100 ug/m3), then roofing and paving (10-20 ug/m3), then lowest exposures: coal liquefaction, coal-tar distillation, wood treatment with creosote, chimney sweeping, and power plants; [Reference #1]Aluminum Producing [Category: Industry]

Synonyms and trade names

benzo[a]pyrene; 50-32-8; 3,4-Benzopyrene; benzo[pqr]tetraphene; BENZO(A)PYRENE; 3,4-Benzpyrene; Benzpyrene; benzo[def]chrysene; 6,7-Benzopyrene; 3,4-Benz[a]pyrene; Benz[a]pyrene; 3,4-BP; 3,4-Benzopirene; 3,4-Benzpyren; Benz(a)pyrene; Benzo(d,e,f)chrysene

Regulatory listings held on file

Regulatory & Food Contact	CONTAMINANT: Food Contaminant TRS 806-JECFA 37/27 FAS 28-JECFA 37/301

GHS hazard classification

Reported hazard statements	H317, H340, H350, H400, H410, H360 (94.5%), H373, H315

H317: May cause an allergic skin reaction [Warning Sensitization, Skin]

H340: May cause genetic defects [Danger Germ cell mutagenicity]

What the public record says

Benzo[a]pyrene · CAS 50-32-8 · C20H12. UNII 3417WMA06D. Boiling Point: 887 °F at 760 mmHg (NTP, 1992); Boiling Point: BP: 310-312 °C at 10 mm Hg; Boiling Point: 496 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.