Major Category
Mineral Dusts
Synonyms
Aluminosilicate; Grade A Lava Powder; Pulverized/powdered pyrophyllite stone; [Superior Technical Ceramics MSDS]
Category
Other Mineral Dusts
Description
Black or dark grey powder; [Superior Technical Ceramics MSDS]
Sources/Uses
Permitted for use as an inert ingredient in non-food pesticide products; [EPA] Used as a raw material for ceramics; [Superior Technical Ceramics MSDS] "Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O10(OH)2. It occurs in two more or less distinct varieties, namely, as crystalline folia and as compact masses; distinct crystals are not known." [Wikipedia]
Comments
Contains approximately 5% carbon and less than 1% crystalline silica; A naturally occurring mineral with no known hazards; Dust may cause irritation; Chronic inhalation of dust may cause pneumoconiosis; [Superior Technical Ceramics MSDS]
Activities
Activities with risk of exposure: