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4-NITROBIPHENYLICSC: 1395
p-Nitrobiphenyl
p-Nitrodiphenyl
July 2002
CAS #: 92-93-3
EC Number: 202-204-7

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.    NO open flames.    Use water spray.   

 PREVENT DISPERSION OF DUST! STRICT HYGIENE! AVOID ALL CONTACT!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation See Effects of long-term or repeated exposure. See Notes.  Use local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin MAY BE ABSORBED!  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety spectacles or eye protection in combination with breathing protection if powder.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work. Wash hands before eating.  Rinse mouth. 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. Sweep spilled substance into covered sealable containers. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from strong reducing agents. Well closed. 
PACKAGING
 
4-NITROBIPHENYL ICSC: 1395
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE-TO-YELLOW CRYSTALS WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces toxic gases. Reacts with strong reducing agents. This generates toxic hazard. 

Formula: C12H9NO2
Molecular mass: 199.2
Boiling point: 340°C
Melting point: 114°C
Solubility in water: very poor
Flash point: 143°C c.c.
Octanol/water partition coefficient as log Pow: 3.77  


EXPOSURE & HEALTH EFFECTS

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

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

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of long-term or repeated exposure
This substance is probably carcinogenic to humans. 


OCCUPATIONAL EXPOSURE LIMITS
TLV: (skin); A2 (suspected human carcinogen).
MAK: skin absorption (H); carcinogen category: 2 

ENVIRONMENT
The substance is toxic to aquatic organisms. The substance may cause long-term effects in the aquatic environment. 

NOTES
Similar substances have caused methemoglobinemia, but there are no data available for this substance.
Depending on the degree of exposure, periodic medical examination is suggested.
Do NOT take working clothes home.
TLV Note: Exposure by all routes should be carefully controlled to levels as low as possible. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T, N; R: 45-51/53; S: 53-45-61 

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       Toxicological Abbreviations