Benzo[a]pyrene 50-32-8 99%
Benzo[a]pyrene Chemical Properties
Melting point 177-180°C
Boiling point 495°C
density 1.1549 (estimate)
vapor pressure 2.4 at 25 °C (McVeety and Hites, 1988)
refractive index 1.8530 (estimate)
Fp 495°C
storage temp. APPROX 4°C
solubility Soluble in benzene, toluene, and xylene; sparingly soluble in ethanol and methanol (Windholz et al., 1983)
pka >15 (Christensen et al., 1975)
form Crystalline
color Pale yellow/green/orange
Water Solubility Soluble in benzene, toluene, and xylene. Sparingly soluble in alcohol, methanol. Insoluble in water
Merck 14,1103
BRN 1911333
Henry's Law Constant 7.35 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)(x 10-10 mmHg at 25 °C):
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey FMMWHPNWAFZXNH-UHFFFAOYSA-N
CAS DataBase Reference 50-32-8(CAS DataBase Reference)
IARC 1 (Vol. Sup 7, 92, 100F) 2012
EPA Substance Registry System Benzo[a]pyrene (50-32-8)
Benzo[a]pyrene Basic information
Description References
Product Name: Benzo[a]pyrene
Synonyms: 3,4-benz(a)pyrene;3,4-Benz[a]pyrene;3,4-Benzopirene;3,4-Benzpyren;3,4-BP;BP;coaltarpitchvolatiles:benzo(a)pyrene;Rcra waste number U022
CAS: 50-32-8
MF: C20H12
MW: 252.31
EINECS: 200-028-5
Mol File: 50-32-8.mol
Safety Information
Hazard Codes T,N,F
Risk Statements 45-46-50/53-60-61-43-67-66-36-11-65-38-52/53-36/37/38
Safety Statements 45-53-61-60-26-62-16
RIDADR 2811
WGK Germany 3
RTECS DJ3675000
TSCA Yes
HazardClass 6.1
PackingGroup III
HS Code 29029090
Toxicity LD50 for mice (intraperitoneal) 232 mg/kg (Salamone, 1981).
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