Agent Name

Cordierite

CAS Number

1302-88-1

Formula

Al4-O18-Si5.2Mg

Major Category

Mineral Dusts

Synonyms

Celcor; Celcor 9475; Dichroite; PC-MAS/F; SS 400; SS 400 (mineral); SS 600; [ChemIDplus] Celcor and Diesel Ceramic Substrate; [Corning MSDS]

Category

Other Mineral Dusts

Description

Blue, gray, or brown mineral; [Merck Index] White solid; [Corning MSDS]

Sources/Uses

"Contains magnesium, aluminum oxides, and silicon oxides." [ChemIDplus] Silicate mineral used in ceramics to make catalytic converters; [Wikipedia] Used to make ceramic products; [Corning MSDS]

Comments

Contains aluminum oxide (CAS# 1344-28-1), mullite (CAS# 1302-93-8), and spinel (CAS# 1302-67-6) at less than 2% each; May cause mechanical irritation; Very high inhalation exposure may cause lung injury; [Corning MSDS]

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