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Calcium Carbonate Toxicology


Identification and Uses :
 
CAS Number : 471-34-1
Molecular formula : CaCO3
 
Uses and emission sources :
 
-Paper fabrication,
-Plastic fabrication,
-Ceramics.
 
Toxicology :
 
This product is absorbed by the respiratory tract.
 
I-Acute Exposure :
 
A-Inhalation :
Excessive concentrations of this nuisance dust may cause coughing, sneezing and irritation of the nasal mucosal membranes.
 
B-Ingestion :
Not toxic.
 
C-Skin Contact :
Skin overexposure does not represent a health hazard.
 
D-Ocular Contact :
There is no information available but dusts could cause mecanical irritation.
 
II-Chronic Exposure :
 
Excessive doses by ingestion may cause alcalosis and hyperkaliemia.
 
Effects on Development :
No data concerning any antenatal developmental effect has been found in the consulted documentary sources.
 
Carcinogenic Effects :
No data concerning any carcinogenic effect has been found in the consulted documentary sources.
 
Mutagenic Effects :
No data concerning any mutagenic in vivo or in vitro effect on cells of mammals has been found in the consulted documentary sources.
 
First Aid :
 
I-Inhalation :
 
Move the worker to fresh air. Seek medical care if the individual presents respiratory problems.
 
II-Ingestion :
 
If large amounts are ingested, give water to drink and seek medical advice.
 
III-Skin Contact :
 
Copiously wash the affected area with water. Ask for medical advice if irritation develops.
 
IV-Ocular Contact :
 
Copiously wash with running water. Ask for medical advice if irritation develops.
 
Québec's Exposure Limit :
 
VEMP = 10 mg/m³, as total dust containing less than 1% crystalline silica.
 
 
References :
1-Chemical Hazards of the Workplace, Proctor & Hughes, last edition.
2-Occupational & Environmental Medicine, Ladou J., last edition
3-Sax's Dangerous Properties of Industrial Materials, Lewis C., last edition.
4-Occupational Medicine, Zenz Carl, last edition.
5-Toxicologie Industrielle et Intoxications Professionnelles, Lauwerys R.R.
last edition

Out Bound Links

In Bound Links

  • (Materials - General) Calcium Carbonate - CaCO3

    Carbonate of Lime, Whiting, Aragonite, Calcite, CaCO3




Edouard Bastarache M.D.
Occupational & Environmental Medicine
Author of "Substitutions for Raw Ceramic Materials"
Tracy, Québec, CANADA

edouardb@sorel-tracy.qc.ca
http://www.sorel-tracy.qc.ca/~edouardb/




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