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4-NITRO-o-PHENYLENEDIAMINEICSC: 1543 (October 2004)
4-Nitro-1,2-benzenediamine
1,2-Diamino-4-nitrobenzene
2-Amino-4-nitroaniline
CAS #: 99-56-9
EC Number: 202-766-3

  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, powder.   

See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE. PREVENT DISPERSION OF DUST! STRICT HYGIENE!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation   Use local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes   Wear safety goggles.  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.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from incompatible materials. See Chemical Dangers. 
PACKAGING
 
4-NITRO-o-PHENYLENEDIAMINE ICSC: 1543
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
RED POWDER. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces toxic fumes including nitrogen oxides. Reacts with strong acids, strong oxidants and strong reducing agents. 

Formula: C6H7N3O2 / C6H3(NH2)2NO2
Molecular mass: 153.1
Melting point: 201°C
Solubility in water: poor
Octanol/water partition coefficient as log Pow: 0.88  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
Environmental effects from the substance have not been investigated adequately. 

NOTES
The substance is combustible but no flash point is available in literature.
Do NOT take working clothes home. 

ADDITIONAL INFORMATION
  EC Classification
 

All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.


    See Also:
       Toxicological Abbreviations