Chrysene

  • Benzo[a]phenanthrene
Formula
C18H12
Structure
Description
Colorless crystals with blue fluorescence, probably odorless.
Uses
Organic synthesis.

Registry Numbers and Inventories.
CAS
218-01-9
EC (EINECS/ELINCS)
205-923-4
EC Index Number
601-048-00-0
EC Class
Carcinogenic Category 2; Mutagenic Category 3; Dangerous for the Environment
R 45 50/53 68
S 53 45 60 61
RTECS
GC0700000
RTECS class
Tumorigen; Mutagen
UN (DOT)
1325
Merck
13,2275
Beilstein/Gmelin
1909297
Beilstein Reference
4-05-00-02554
RCRA
U050
Swiss Giftliste 1
G-5415
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C18H12
Formula mass
228.28
Melting point, °C
250 - 252
Boiling point, °C
448
Vapor pressure, mmHg
8.5E-8 (25 C)
Saturation Concentration
Negligible
Density
1.274 g/cm3 (20 C)
Solubility in water
Insoluble
Partition coefficient, pKow
5.91
Heat of vaporization
67.9 kJ/mol
Heat of combustion
-8950 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Store in a cool, dry area away from incompatible substances.
Insufficient information.
Handling
Wash thoroughly after handling. Wash hands before eating. Use only in a well ventilated area. Do not breathe dust, vapor, mist, or gas. Do not get on skin or in eyes. Do not ingest or inhale.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Wear a self contained breathing apparatus and appropriate Personal protection. (See Exposure Controls, Personal Protection section). Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
209
Upper exp. limit, %
3.5
Lower exp. limit, %
0.5
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Combustion products
Fire may produce irritating and/or toxic gases.

Health.
Exposure limit(s)
OSHA: Select carcinogen.
Carcinogin
G-A3, CP65
Poison_Class
1*
Exposure effects
May cause cancer in humans. May cause cancer according to animal studies.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
1325
Response guide
Hazard class
4.1
Packing Group
II; III
 
USCG CHRIS Code
BZH
 
HS Code
2902 90 80
 
Std. Transport #
4963341