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Basic Information
CAS No.: 202-98-2
Name: 4H-CYCLOPENTA(DEF)CHRYSENE
Molecular Structure:
Molecular Structure of 202-98-2 (4H-CYCLOPENTA(DEF)CHRYSENE)
Formula: C19H12
Molecular Weight: 240.304
Synonyms: 4,5-Methanochrysene;4,5-Methylenechrysene
Density: 1.296g/cm3
Melting Point: 175°C
Boiling Point: 470.4°Cat760mmHg
Flash Point: 229.5°C
Safety: Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. See other chrysene compounds.
PSA: 0.00000
LogP: 5.05040
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Chemistry

Synonyms:  4,5-Methylenechrysene ; 4H-Cyclopenta(def)chrysene ; Chrysene, 4,5-methylene- ; 4H-cyclopenta[def]chrysene
The Molecular Formula of  4H-Cyclopenta[def]chrysene (CAS NO.202-98-2):C19H12
The Molecular Weight of  4H-Cyclopenta[def]chrysene (CAS NO.202-98-2):240.2986 g/mol
The Molecular Structure of  4H-Cyclopenta[def]chrysene (CAS NO.202-98-2):
Index of Refraction: 1.848
Molar Refractivity: 82.73 cm3
Molar Volume: 185.3 cm3
Surface Tension: 64.2 dyne/cm
Density: 1.296 g/cm3 
Flash Point: 229.5 °C
Enthalpy of Vaporization: 70.49 kJ/mol
Boiling Point: 470.4 °C at 760 mmHg
Vapour Pressure: 1.44E-08 mmHg at 25°C

Toxicity Data With Reference

1.    

mmo-sat 5 µg/plate

     ENMUDM    Environmental Mutagenesis. 9 (1987),183.
2.    

scu-mus TDLo:80 mg/kg:ETA

     CNREA8    Cancer Research. 3 (1943),606.

Safety Profile

Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. See other chrysene compounds.