Agent Name

Phosphorite

CAS Number

65996-94-3

Formula

Unspecified

Major Category

Other Classes

Synonyms

Phosphate rock and Phosphorite, calcined; [ChemIDplus] Western Phosphate Rock; Phosphate rock; [National Institute of Standards and Technology MSDS]

Category

Phosphate Compounds

Description

Black granular powder; [National Institute of Standards and Technology MSDS]

Sources/Uses

"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]

Comments

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."

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Processes

Industrial Processes with risk of exposure:

Activities

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