ChemicalBook--->CAS DataBase List--->189-55-9

189-55-9

189-55-9 Structure

189-55-9 Structure
IdentificationBack Directory
[Name]

DIBENZO(A,I)PYRENE
[CAS]

189-55-9
[Synonyms]

DB(a,i)P
NSC 87521
DIBENZ(A,I)PYRENE
DIBENZO(A,I)PYRENE
Dibenzo(b,h)pyrene
dibenzo[d,l]pyrene
Benzo[rst]pentacene
rcrawastenumberu064
1,2:7,8-DIBENZPYRENE
benzo(rst)pentaphene
Benzo[rst]pentaphene
1,2,7,8-Dibenzopyrene
3,4,9,10-Dibenzpyrene
3,4:9,10-Dibenzpyrene
3,4,9,10-DIBENZOPYRENE
Rcra waste number U064
Dibenzo-3,4,9,10-pyrene
Dibenzo[a,i]pyrene (purity)
dibenzopyrene(non-specificname)
45038 DIBENZO[A I]PYRENE (PURITY)
Dibenzo(a,i)pyreneSolution,50mg/L,1ml
Dibenzo(a,i)pyreneSolution,10mg/L,1ml
Dibenz(a,i)pyrene@50 μg/mL in Toluene
Dibenzo(a,i)pyreneSolution,100mg/L,1ml
Dibenzo(a,i)pyreneSolution,200mg/L,1ml
Dibenzo(a,i)pyreneSolution,20mg/L,2x5ml
Dibenzo[A,I]Pyrene 200 μg/mL In Toluene
1,2:7,8-Dibenzopyrene, 3,4:9,10-Dibenzopyrene
[EINECS(EC#)]

205-877-5
[Molecular Formula]

C24H14
[MDL Number]

MFCD00055882
[MOL File]

189-55-9.mol
[Molecular Weight]

302.37
Chemical PropertiesBack Directory
[Melting point ]

281.5°C
[Boiling point ]

378.4°C (rough estimate)
[density ]

1.1762 (estimate)
[refractive index ]

1.9130 (estimate)
[storage temp. ]

2-8°C
[color ]

Green-yellow needles from toluene
[IARC]

2B (Vol. 92) 2010
[EPA Substance Registry System]

Dibenzo[a,i]pyrene (189-55-9)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

40
[Safety Statements ]

36/37
[RIDADR ]

3077
[RTECS ]

DI5775000
[HazardClass ]

9
[PackingGroup ]

III
[Hazardous Substances Data]

189-55-9(Hazardous Substances Data)
[Toxicity]

mma-sat 20 mg/plate PNASA6 72,5135,75
Hazard InformationBack Directory
[Uses]

Dibenzo[a,i]pyrene is a polycyclic aromatic hydrocarbon (PAH) with potent carcinogenic activity. Dibenzo[a,i]pyrene was shown to induce DNA adduction, tumorigenicity as well as Ki-ras oncogene mutations in strain A/J mouse lung. Dibenzo[a,i]pyrene has been shown to be present in cigarette smoke condensate and in automobile exhaust gas in small quantities.
[Definition]

ChEBI: Dibenzo[a,i]pyrene is an ortho- and peri-fused polycyclic arene.
[General Description]

Colorless solid. Water insoluble.
[Air & Water Reactions]

Insoluble in water.
[Reactivity Profile]

Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as DIBENZO(A,I)PYRENE(189-55-9), and strong oxidizing agents. They can react exothermically with bases and with diazo compounds. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction.
[Health Hazard]

Inhalation of material may be harmful. Contact may cause burns to skin and eyes. Inhalation of Asbestos dust may have a damaging effect on the lungs. Fire may produce irritating, corrosive and/or toxic gases. Some liquids produce vapors that may cause dizziness or suffocation. Runoff from fire control may cause pollution.
[Fire Hazard]

Some may burn but none ignite readily. Containers may explode when heated. Some may be transported hot.
[Safety Profile]

Confirmed carcinogen withexperimental neoplastigenic and tumorigenic data.Mutation data reported. When heated to decomposition itemits acrid smoke and irritating fumes.
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