Calcium Carbonate Toxicology
By Edouard Bastarache
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
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/
Out Bound Links
In Bound Links
- (Materials - General)
Calcium Carbonate - CaCO3
Carbonate of Lime, Whiting, Aragonite, Calcite, CaCO3
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