Ammonium bicarbonate
Acid ammonium carbonate
Carbonic acid, monoammonium salt
CH5NO3 / NH4HCO3
Molecular mass: 79.1
ICSC # 1333
CAS # 1066-33-7
RTECS # BO8600000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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In case of fire in the surroundings: all extinguishing agents allowed.
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Explosion
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Exposure
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•Inhalation
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Cough.
Sore throat.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse skin with plenty of water or shower.
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•Eyes
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Redness.
Pain.
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Safety spectacles.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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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).
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Separated from
strong oxidants,
strong bases,
acids.
Cool.
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Important Data
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Physical State; Appearance:
COLOURLESS OR WHITE CRYSTALS
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
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.
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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
irritates
the eyes
and
the respiratory tract
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Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point (decomposes): 35-60°C
Density: 1.58
g/cm3
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Solubility in water, g/100 ml at 20°C: 17.4
good
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 1333
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AMMONIUM HYDROGEN CARBONATE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
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.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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