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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,
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


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