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AMMONIUM NITRATE ICSC: 0216
Date of Peer Review: March 2001

Nitric acid, ammonium salt
CAS # 6484-52-2 NH4NO3
RTECS # BR9050000 Molecular mass: 80.1
UN # 1942
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible but enhances combustion of other substances. Explosive. Gives off irritating or toxic fumes (or gases) in a fire.
NO contact with combustibles or reducing agents.
Water in large amounts. NO other extinguishing agents. In case of fire in the surroundings: use flooding amounts of water in the early stages.
EXPLOSION Risk of fire and explosion under confinement and high temperatures.

Evacuate danger area! In case of fire: keep drums, etc., cool by spraying with water. Combat fire from a sheltered position.
EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation Cough. Headache. Sore throat. See Ingestion.
Local exhaust or breathing protection.
Fresh air, rest. Artificial respiration may be needed. Refer for medical attention.
Skin Redness.
Protective gloves.
First rinse with plenty of water, then remove contaminated clothes and rinse again. Refer for medical attention.
Eyes Redness. Pain.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal pain. Blue lips or fingernails. Blue skin. Convulsions. Diarrhoea. Dizziness. Vomiting. Weakness.
Do not eat, drink, or smoke during work.
Rinse mouth. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Evacuate danger area! Consult an expert! Sweep spilled substance into non-combustible containers. Wash away remainder with plenty of water.
EU Classification
UN Classification
UN Hazard Class: 5.1
UN Pack Group: III
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-51S1942 or 51GO2-I+II+III
NFPA Code: H 2; F 0; R 3; OX
Provision to contain effluent from fire extinguishing. Separated from combustible and reducing substances. Dry.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
AMMONIUM NITRATE ICSC: 0216
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS, HYGROSCOPIC TO WHITE SOLID IN VARIOUS FORMS

CHEMICAL DANGERS:
Heating may cause violent combustion or explosion. The substance decomposes on heating or producing toxic fumes (nitrogen oxides.) The substance is a strong oxidant and reacts with combustible and reducing materials.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol.

INHALATION RISK:
Evaporation at 20C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the eyes, the skin and the respiratory tract. The substance may cause effects on the blood, resulting in formation of methaemoglobin. Medical observation is indicated. The effects may be delayed.

PHYSICAL PROPERTIES
Decomposes below boiling point at about 210C
Melting point: 170C
Density: 1.7 g/cm
Solubility in water, g/100 ml at 20C: 190
ENVIRONMENTAL DATA
This substance may be hazardous to the environment; special attention should be given to water quality.
NOTES
Becomes shock-sensitive when mixed with organic materials. Rinse contaminated clothes (fire hazard) with plenty of water. Depending on the degree of exposure, periodic medical examination is suggested. Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available. Card has been partly updated in October 2005. See section Emergency Response.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor 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
IPCS, CEC 2005