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NITROGEN (COMPRESSED GAS)ICSC: 1198
March 1999
CAS #: 7727-37-9
UN #: 1066
EC Number: 231-783-9

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible. Heating will cause rise in pressure with risk of bursting.        In case of fire in the surroundings, use appropriate extinguishing media.  In case of fire: keep cylinder cool by spraying with water. 

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation Unconsciousness. Weakness. Suffocation. See Notes.  Use ventilation.  Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. 
Skin      
Eyes      
Ingestion      

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Ventilation. Personal protection: self-contained breathing apparatus. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 2.2 

STORAGE
Fireproof if in building. Cool. Keep in a well-ventilated room. 
PACKAGING
 
NITROGEN (COMPRESSED GAS) ICSC: 1198
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
ODOURLESS COLOURLESS COMPRESSED GAS. 

Physical dangers
 

Chemical dangers
 

Formula: N2
Molecular mass: 28.01
Boiling point: -196°C
Melting point: -210°C
Solubility in water: poor
Relative vapour density (air = 1): 0.97  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
 

Inhalation risk
On loss of containment this substance can cause suffocation by lowering the oxygen content of the air in confined areas. See Notes. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
High concentrations in the air cause a deficiency of oxygen with the risk of unconsciousness or death.
Check oxygen content before entering area. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations