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AMMONIUM HYDROGEN CARBONATE ICSC: 1333
Date of peer-review: November 1998

Ammonium bicarbonate
Acid ammonium carbonate
Carbonic acid, monoammonium salt
CAS # 1066-33-7 CH5NO3 / NH4HCO3
RTECS # BO8600000 Molecular mass: 79.1
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.

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


EXPOSURE


Inhalation Cough. Sore throat.
Ventilation, local exhaust, or breathing protection.
Fresh air, rest.
Skin
Protective gloves.
Rinse skin with plenty of water or shower.
Eyes Redness. Pain.
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.
Rinse mouth.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. (Extra personal protection: combined filter for particles and ammonia).
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

Separated fromstrong oxidants, strong bases, acids. Cool.
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 2001

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AMMONIUM HYDROGEN CARBONATE ICSC: 1333
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS OR WHITE CRYSTALS, WITH CHARACTERISTIC ODOUR.

CHEMICAL DANGERS:
The substance decomposes on warming above 35°C producing ammonia fumes. Reacts violently with acids. Reacts with strong bases and strong oxidants.

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

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

EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritatesthe eyes and the respiratory tract.
PHYSICAL PROPERTIES
Melting point (decomposes): 35-60°C
Density: 1.58 g/cm^3
Solubility in water, g/100 ml at 20°C: 17.4 good
ENVIRONMENTAL DATA

NOTES

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 2001 



    See Also:
       Toxicological Abbreviations
       AMMONIUM HYDROGEN CARBONATE (JECFA Evaluation)