International Chemical Safety Cards

NITROGEN (GASEOUS) ICSC: 1198

NITROGEN (GASEOUS)
Azote
Nitrogen (Compressed)
(cylinder)
N2
Molecular mass: 28.01
CAS # 7727-37-9
RTECS # QW9700000
ICSC # 1198
UN # 1066
TYPES OF
HAZARD/
EXPOSURE 		ACUTE HAZARDS/
SYMPTOMS 		PREVENTION FIRST AID/
FIRE FIGHTING
FIRE Not combustible.

In case of fire in the surroundings: all extinguishing agents allowed.
EXPLOSION

In case of fire: keep cylinder cool by spraying with water.
 
EXPOSURE


INHALATION Unconsciousness. Weakness. Death. See Notes.
Ventilation. Breathing protection.
Fresh air, rest. Artificial respiration if indicated. Oxygen may be beneficial if administered by a trained person on physician's advice. Refer for medical attention.
SKIN


EYES


INGESTION


SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING
Ventilation (extra personal protection: self-contained breathing apparatus).
Cool. Keep in a well-ventilated room.

UN Hazard Class: 2.2
SEE IMPORTANT INFORMATION ON BACK
ICSC: 1198 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993

International Chemical Safety Cards

NITROGEN (GASEOUS) ICSC: 1198

I
M
P
O
R
T
A
N
T

D
A
T
A
PHYSICAL STATE; APPEARANCE:
ODOURLESS, COLOURLESS, TASTELESS, COMPRESSED GAS.

PHYSICAL DANGERS:
Gas mixes readily with air.

CHEMICAL DANGERS:
Reacts with oxygen and hydrogen on sparking forming nitric oxide and ammonia. Combines directly with lithium and at red heat with calcium, srontium and barium to form nitrides. Forms cyanides when heated with carbon in presence of alkalies or barium oxides.

OCCUPATIONAL EXPOSURE LIMITS (OELs):
TLV not established.


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation.

INHALATION RISK:
A harmful concentration of this gas in the air will be reached very quickly on loss of containment. On loss of containment this gas can cause suffocation by lowering the oxygen content of the air in confined areas. See Notes.

EFFECTS OF SHORT-TERM EXPOSURE:


EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
PHYSICAL
PROPERTIES
 Boiling point: -195.8°C
Melting point: -210°C
 Solubility in water: none
Relative vapour density (air = 1): 0.97
ENVIRONMENTAL
DATA
NOTES
High concentrations in the air cause a deficiency of oxygen with the risk of unconsciousness or death. Check oxygen content before entering area. Effects are the result of oxygen deficiency. Do not attempt rescue without air supplied respirator.
Transport Emergency Card: TEC (R)-20G01
ADDITIONAL INFORMATION


ICSC: 1198 NITROGEN (GASEOUS)
© IPCS, CEC, 1993
IMPORTANT LEGAL NOTICE: Neither the CEC or the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use.