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CALCIUM CARBONATE ICSC: 1193
Date of Peer Review: October 1999

 Carbonic acid, calcium salt
CAS # 471-34-1 CaCO3
RTECS # FF9335000 Molecular mass: 100.1
UN #
EC/EINECS # 207-439-9
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


EXPOSURE


Inhalation
Local exhaust.
Fresh air, rest.
Skin
Protective gloves.
Rinse skin with plenty of water or shower.
Eyes
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 containers. (Extra personal protection: P1 filter respirator for inert particles).

EMERGENCY RESPONSE STORAGE

Separated from acids, aluminium and ammonium salts.
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
CALCIUM CARBONATE ICSC: 1193
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
ODOURLESS, TASTELESS POWDER OR CRYSTALS

CHEMICAL DANGERS:
The substance decomposes on heating 825°C producing corrosive fumes of calcium oxide. Reacts with acids, aluminium and ammonium salts.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.
 		ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation.
PHYSICAL PROPERTIES
Melting point (decomposes): 825°C
Density: 2.8 g/cm³
Solubility in water: none
ENVIRONMENTAL DATA

NOTES
Health effects of exposure to the substance have been investigated, but none has been found. Calcium carbonate exists in nature as mineral aragonite and calcite (as in limestone, chalk and marble). Card has been partially updated in February 2009: see Occupational Exposure Limits.
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 



    See Also:
       Toxicological Abbreviations
       CALCIUM CARBONATE (JECFA Evaluation)