Agent Name

Alunite

CAS Number

1302-91-6

Formula

Al3-H6-O14-S2.K

Major Category

Mineral Dusts

Synonyms

Calafatite; [ChemIDplus]

Category

Other Mineral Dusts

Description

White or red mineral; [Merck Index]

Sources/Uses

"Alunite is a hydrated aluminium potassium, sulfate mineral, formula KAl3(SO4)2(OH)6. It was first observed in the 15th century at Tolfa, near Rome, where it is mined for the manufacture of alum." [Wikipedia]

Comments

Alunite dust causes pneumoconiosis in 26-week intermittent inhalation studies (unspecified mammal species); [RTECS] See "Aluminum potassium sulfate."

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