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4-NITROBENZOIC ACID
ICSC: 1684
Peer-Review Status: 10.04.2008 Validated
para-Nitrobenzoic acid
para-Carboxynitrobenzene 
CAS #: 62-23-7 RTECS #: DH5075000
EINECS #: 200-526-2
    Formula: C7H5NO4 / HOOCC6H4NO2
Molecular mass: 167.1

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  NO open flames.  Use foam, dry powder, carbon dioxide. 
EXPLOSION Risk of explosion on contact with potassium hydroxide.     
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
Inhalation Cough.  Use local exhaust.  Fresh air, rest. 
Skin Redness.  Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety spectacles.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion Nausea. Vomiting.    Rinse mouth. Refer for medical attention . 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers.   
EC Classification
 
UN Classification
 
GHS Classification
Signal: Warning
Causes skin irritation
Causes eye irritation
May cause respiratory irritation 
excl mark;warn

EMERGENCY RESPONSE SAFE STORAGE
  Separated from strong oxidants, bases and strong reducing agents. 

IMPORTANT DATA
Physical State; Appearance
WHITE-TO-YELLOW CRYSTALS. 

Physical dangers
Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc. 

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

Occupational exposure limits
TLV not established.
MAK (not established):. 

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

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

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

Effects of long-term or repeated exposure
Animal tests show that this substance possibly causes toxicity to human reproduction or development. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Decomposes at 350°C
Melting point: 242°C
Density: 1.61 g/cm³
Solubility in water, g/100ml at 25°C: 0.03 (poor)
Vapour pressure, Pa at 50°C: 1
Flash point: 201°C c.c.
Auto-ignition temperature: 300°C
Explosive limits, vol% in air: 1.8-?
Octanol/water partition coefficient as log Pow: 1.89  
 

NOTES
 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations