Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Minerals > Silicates > Asbestos Terms and Definitions




Asbestos

Medical Definition: Asbestos. Fibrous incombustible mineral composed of magnesium and calcium silicates with or without other elements. It is relatively inert chemically and used in thermal insulation and fireproofing. Inhalation of dust causes asbestosis and later lung and gastrointestinal neoplasms.
Guide Notes: a silicate used in insulation & fireproofing; carcinogenic; GEN or unspecified; prefer specifics; /adv eff: consider also ASBESTOSIS; disease coord with ASBESTOS /adv eff is dis /etiol, not dis /chem ind; for emphasis on asbestos fibers, MINERAL FIBERS is
CAS Type 1 Name: CAS Number: 1332-21-4
Previously Indexed: Minerals (1966-1968)
Asbestos Categories.
Canadian Medical Guide Definition Asbestos, Amphibole - A class of asbestos that includes silicates of magnesium, iron, calcium, and sodium. The fibers are generally brittle and cannot be spun, but are more resistant to chemicals and heat than ASBESTOS, SERPENTINE. (From Hawley's Condensed Chemical Dictionary, 11th ed)

Asbestos Medical Definitions and Terms

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