Chemical Detail

Chemical NameBenzo[r,s,t]pentaphene
Secondary NameDibenzo[a,i]pyrene
Synonym(s)1,2,7,8-Dibenzopyrene | 1,2:7,8-Dibenzpyrene | 3,4,9,10-Dibenzopyrene | 3,4,9,10-Dibenzpyrene | 3,4:9,10-Dibenzopyrene | 3,4:9,10-Dibenzpyrene | Benzo(r,s,t)pentaphene | Benzo(rst)pentaphene | Dibenz(a,i)pyrene | Dibenzo(a,i)pyrene | Dibenzo(b,h)pyrene | Dibenzo-3,4,9,10-pyrene | Dibenzpyrene | NSC 87521
CASRN189-55-9
Category MemberN590: Polycyclic aromatic compounds
De minimis Limit %*
The de minimis exemption is not available for this chemical
De minimis NotesThe de minimis exemption is not available for this chemical
M,P/OU Threshould (lb)100/100
Listing TypeChemical category member
Effective Date1995-01-01
Chemical QualifierNo
MetalNo
Chemical of Special ConcernYes
Per- or Polyfluoroalkyl SubstanceNo
Structural image
Structural representation of Benzo[r,s,t]pentaphene

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added to category199559 FR 1788 (1/12/1994)59 FR 61432 (11/30/1994)