4,5-Dihydrobenzo[pqr]tetraphene

Modify Date: 2025-08-25 11:21:33

4,5-Dihydrobenzo[pqr]tetraphene Structure
4,5-Dihydrobenzo[pqr]tetraphene structure
 Common Name 4,5-Dihydrobenzo[pqr]tetraphene
CAS Number 57652-66-1 Molecular Weight 254.325
Density 1.3±0.1 g/cm3 Boiling Point 477.0±20.0 °C at 760 mmHg
Molecular Formula C20H14 Melting Point N/A
MSDS N/A Flash Point 234.6±15.9 °C

 Names

Name 4,5-dihydrobenzo[a]pyrene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 477.0±20.0 °C at 760 mmHg
Molecular Formula C20H14
Molecular Weight 254.325
Flash Point 234.6±15.9 °C
Exact Mass 254.109543
LogP 6.65
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.806

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ4960000
CHEMICAL NAME :
Benzo(a)pyrene, 4,5-dihydro-
CAS REGISTRY NUMBER :
57652-66-1
BEILSTEIN REFERENCE NO. :
2111880
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C20-H14
MOLECULAR WEIGHT :
254.34
WISWESSER LINE NOTATION :
L D6 B6666 2AB T&&T&&J

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
25 umol/L
REFERENCE :
MOPMA3 Molecular Pharmacology. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1965- Volume(issue)/page/year: 13,1116,1977

 Precursor & DownStream

Precursor  1

DownStream  0

 Synonyms

Benzo[a]pyrene, 4,5-dihydro-
Dihydrobenzpyren
4,5-Dihydrobenzo[pqr]tetraphene
4,5-dihydrobenzo<a>pyrene
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