Product Name

  • Name

    7-METHYLBENZO[A]PYRENE

  • EINECS
  • CAS No. 63041-77-0
  • Density 1.254g/cm3
  • Solubility
  • Melting Point 219-220?°C(lit.)
  • Formula C21H14
  • Boiling Point 479.4°Cat760mmHg
  • Molecular Weight 266.35
  • Flash Point 236.7°C
  • Transport Information
  • Appearance
  • Safety Questionable carcinogen with experimental neoplastigenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 63041-77-0 (7-METHYLBENZO[A]PYRENE)
  • Hazard Symbols
  • Synonyms
  • PSA
  • LogP

4'-Methylbenzo(a)pyrene Chemical Properties

The molecular structure of  4'-Methylbenzo(a)pyrene (CAS NO.63041-77-0) is
Cas Register Number:63041-77-0
IUPAC Name: 7-Methylbenzo[a]pyrene
Synonyms:  7-Methylbenzo[pqr]tetraphene ; Benzo[a]pyrene, 7-methyl- ; 4'-Methyl-3:4-benzpyrene ; 4'-Methylbenzo(a)pyrene ; 7-Methylbenzo(a)pyrene ; Benzo(a)pyrene, 7-methyl-
Molecular formula:C21H14
Molecular weight:266.335860g/mol 
Index of Refraction: 1.853
Molar Refractivity: 95.13 cm3
Molar Volume: 212.3 cm3
Surface Tension: 60 dyne/cm
Density: 1.254 g/cm3
Flash Point: 236.7 °C
Enthalpy of Vaporization: 71.53 kJ/mol
Boiling Point: 479.4 °C at 760 mmHg
Vapour Pressure  of  4'-Methylbenzo(a)pyrene (CAS NO.63041-77-0): 6.9E-09 mmHg at 25°C

4'-Methylbenzo(a)pyrene Toxicity Data With Reference

1.    

mmo-sat 25 µg/plate

    CNREA8    Cancer Research. 47 (1987),1509.
2.    

msc-ham:lng 500 nmol/L

    CRNGDP    Carcinogenesis. 4 (1983),321.
3.    

ims-rat TDLo:4 mg/kg:NEO

    NATUAS    Nature. 273 (1978),566.

4'-Methylbenzo(a)pyrene Safety Profile

Questionable carcinogen with experimental neoplastigenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes:  HarmfulXn
Risk Statements: 20/21/22 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 36 
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: DJ7440000

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