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BENZO(a)PYRENE
ICSC: 0104
Peer-Review Status: 11.04.2014 Validated
Benz(a)pyrene
3,4-Benzopyrene
Benzo(d,e,f)chrysene
CAS #: 50-32-8 RTECS #: DJ3675000
UN #: 3077
EC #: 601-032-00-3
EINECS #: 200-028-5
    Formula: C20H12
Molecular mass: 252.3

TYPES OF HAZARD
/ EXPOSURE
ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE-FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.    In case of fire in the surroundings, use appropriate extinguishing media. 
EXPLOSION      
 
EXPOSURE See Notes.  AVOID ALL CONTACT! PREVENT DISPERSION OF DUST!   
Inhalation   Use closed system and ventilation.  Fresh air, rest. 
Skin   Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes   Wear safety spectacles or eye protection in combination with breathing protection.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Do NOT wash away into sewer. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.  Marine pollutant. 
EC Classification
Symbol: T, N; R: 45-46-60-61-43-50/53; S: 53-45-60-61 
UN Classification
UN Hazard Class: 9; UN Pack Group: III 
GHS Classification
Signal: Danger
May cause an allergic skin reaction
May cause cancer
May cause genetic defects
May damage fertility or the unborn child
Very toxic to aquatic life with long lasting effects 
excl mark;warncancer;health hazenviro;aqua

EMERGENCY RESPONSE SAFE STORAGE
  Provision to contain effluent from fire extinguishing. Separated from strong oxidants. Store in an area without drain or sewer access. Cool. Dry. 

IMPORTANT DATA
Physical State; Appearance
PALE YELLOW CRYSTALS. 

Physical dangers
 

Chemical dangers
Reacts with strong oxidants. Decomposes on heating. This produces toxic fumes. 

Occupational exposure limits
TLV (Exposure by all routes should be carefully controlled to levels as low as possible): A2 (suspected human carcinogen); BEI issued; (ACGIH 2014).
MAK: Carcinogen category: 2; Germ cell mutagen group: 2; Skin absorption (H); (DFG 2014). 

Routes of exposure
Exposure mainly occurs via inhalation. 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed. 

Effects of short-term exposure
See Notes. 

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. This substance is carcinogenic to humans. May cause heritable genetic damage to human germ cells. May cause toxicity to human reproduction or development. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 496°C
Melting point: 178.1°C
Density (at 20°C): 1.4 g/cm³
Solubility in water, g/100ml at 20°C: < 0.1 (poor)
Vapour pressure at 20°C: negligible
Octanol/water partition coefficient as log Pow: 6.04  
The substance is very toxic to aquatic organisms. Bioaccumulation of this chemical may occur in fish, plants and molluscs. The substance may cause long-term effects in the aquatic environment. It is strongly advised not to let the chemical enter into the environment. 

NOTES
Do NOT take working clothes home.
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
Benzo(a)pyrene is present as a component of polycyclic aromatic hydrocarbons (PAHs) in the environment, usually resulting from the incomplete combustion or pyrolysis of organic matters, especially fossil fuels and tobacco. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.
    See Also:
       Toxicological Abbreviations
       Benzo(a)Pyrene (IARC Summary & Evaluation, Volume 3, 1973)