Picene

  • Benzo[a]chrysene
  • 3,4-Benzchrysene
  • Dibenzo[a,i]phenanthrene
  • 1,2,7,8-Dibenzphenanthrene
Formula
C22H14
Structure
Description
Fluoresent colorless plates. Pitchy residue obtained in the distillation of peat-tar and of petroleum.

Registry Numbers and Inventories.
CAS
213-46-7
EC (EINECS/ELINCS)
205-918-7
2 22 36/27
RTECS
TJ3700000
RTECS class
Tumorigen
Merck
12,7550
Beilstein/Gmelin
1912414
Beilstein Reference
4-05-00-02724

Properties.
Formula
C22H14
Formula mass
278.35
Melting point, °C
280
Boiling point, °C
519
Vapor pressure, mmHg
2E-10 (25 C)
Solubility in water
1 mg/L
Heat of vaporization
76.2 kJ/mol

Hazards and Protection.
Storage
Store at 2 - 8 C. Keep container tightly closed. Store in a dark area.
Protection
Wear face shield or protective goggles, protective gloves and clothing. In cases of dust production, head/neck protection should also be used.
Respirators
Dust production: dust mask with filter type P3. High dust production: compressed air/oxygen apparatus
Small spills/leaks
Stop dust cloud by humidifying. Solid spill: shovel. Carefully collect the spill/leftovers. Take collected spill to manufacturer/competent authority. Clean contaminated surfaces with an excess of water . Wash clothing and equipment after handling
Decomposition
Releases oxides of carbon upon combustion.

Fire.
Flash Point,°C
265

Health.
Exposure effects
Possible risks of irreversible effects/

First aid
 
   Ingestion
Consult a doctor/medical service if you feel unwell. Never give water to an unconscious person.
   Inhalation
Consult a doctor/medical service if breathing problems develop. Remove the victim into fresh air. Unconscious: maintain adequate airway and respiration.
   Skin
Consult a doctor/medical service if irritation persists. Rinse with water.
   Eyes
Consult a doctor/medical service if irritation persists. Rinse immediately with water.

Transport.