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CALCIUM CARBONATE
ICSC: 1193
Peer-Review Status: 19.10.1999 Validated
Carbonic acid, calcium salt 
CAS #: 471-34-1 RTECS #: FF9335000
EINECS #: 207-439-9
    Formula: CaCO3
Molecular mass: 100.1

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Not combustible.    In case of fire in the surroundings, use appropriate extinguishing media. 
EXPLOSION      
 
EXPOSURE      
Inhalation   Use local exhaust.  Fresh air, rest. 
Skin   Protective gloves.  Rinse skin with plenty of water or shower. 
Eyes   Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
  Separated from acids, aluminium and ammonium salts. 

IMPORTANT DATA
Physical State; Appearance
ODOURLESS TASTELESS POWDER OR CRYSTALS. 

Physical dangers
No data. 

Chemical dangers
Decomposes above 825°C . This produces corrosive fumes of calcium oxide. Reacts with acids, aluminium and ammonium salts. 

Occupational exposure limits
TLV not established. 

Routes of exposure
The substance can be absorbed into the body by inhalation. 

Inhalation risk
 

Effects of short-term exposure
 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Decomposes at 825°C
Density: 2.8 g/cm³
Solubility in water: none 
 

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
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.
    See Also:
       Toxicological Abbreviations
       CALCIUM CARBONATE (JECFA Evaluation)