Phosphate rock and Phosphorite, calcined; [ChemIDplus] Western Phosphate Rock; Phosphate rock; [National Institute of Standards and Technology MSDS]
Black granular powder; [National Institute of Standards and Technology MSDS]
"TSCA Definition 2008: Substance obtained by heating naturally occurring phosphate rock to 732.degree.C to 816.degree.C (1350.degree.F to 1500.degree.F) in a fluidized bed or other suitable device for oxidizing carbonaceous matter. Characterized by upgraded phosphorus content and reduced hydrocarbon levels." [ChemIDplus] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]
Contains 10% silica, crystalline quartz (CAS# 14808-60-7); Prolonged or repeated inhalation exposure may cause lung injury and cancer; [National Institute of Standards and Technology MSDS] See "Ammonium polyphosphate."
Industrial Processes with risk of exposure:
Activities with risk of exposure: