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o-TERPHENYLICSC: 1525
1,2-Diphenylbenzene
o-Diphenylbenzene
April 2004
CAS #: 84-15-1
EC Number: 201-517-6

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible.    NO open flames.    Use water spray, dry powder, carbon dioxide.   

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin   Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness. Pain.  Wear safety goggles or eye protection in combination with breathing protection.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Diarrhoea. Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Vacuum spilled material with specialist equipment. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
 
PACKAGING
 
o-TERPHENYL ICSC: 1525
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-LIGHT-YELLOW CRYSTALS. 

Physical dangers
 

Chemical dangers
On combustion, forms toxic fumes including carbon monoxide. 

Formula: C18H14
Molecular mass: 230.31
Boiling point: 332°C
Melting point: 56.2°C
Relative density (water = 1): 1.1
Solubility in water: none
Vapour pressure, Pa at 25°C: 0.0033
Relative vapour density (air = 1): 7.9
Relative density of the vapour/air-mixture at 20°C (air = 1): <0.9
Flash point: 163°C o.c.
Octanol/water partition coefficient as log Pow: 5.5  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by ingestion and by inhalation. 

Effects of short-term exposure
The substance is irritating to the eyes and respiratory tract. 

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
Bioaccumulation of this chemical may occur in fish. 

NOTES
The occupational exposure limit value should not be exceeded during any part of the working exposure. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations