Carbonic acid monosodium salt
Baking soda
Bicarbonate of soda
Sodium hydrogen carbonate
Sodium acid carbonate
NaHCO3
Molecular mass: 84.0
ICSC # 1044
CAS # 144-55-8
RTECS # VZ0950000
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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.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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•Inhalation
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•Skin
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•Eyes
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Redness.
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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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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Wash away remainder with plenty of water.
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Separated from
acids.
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Important Data
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Physical State; Appearance:
WHITE
SOLID IN VARIOUS FORMS.
Physical Dangers:
Chemical Dangers:
The solution in water is a weak base.
Reacts
with
acids
.
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 ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed, especially, if powdered.
Effects of Short-Term Exposure:
The substance
is mildly irritating to
the eyes
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Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point (decomposes): 50°C
Density: 2.1
g/cm3
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Solubility in water, g/100 ml at 20°C: 8.7
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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: 1044
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SODIUM BICARBONATE
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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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