Agent Name

Aluminum silicate

CAS Number

12141-46-7

Formula

Al2-O5-Si

Major Category

Metals

Synonyms

Aluminum silicate, natural; Aluminum silicate, synthetic; Aluminum oxide silicate; [ChemIDplus] Aluminium silicate oxide; Kaolin calcine; [IUCLID]

Category

Metals, Inorganic Compounds

Description

Andalusite: Chunks; [Alfa Aesar MSDS] Usually contains water; Polymorphous; [Merck Index]

Sources/Uses

Used in dental cements, in the glass industry, to make semiprecious stones, enamels, ceramics, and colored lakes, as a paint filler, and in washing compounds; Three forms found in nature are andalusite, cyanite, and sillimanite; Other aluminum silicate minerals include anauxite, dickite, kaolinite, kochite, mullite, newtonite, pyrophyllite, takizolite, and termierite; [Merck Index] Used in the basic chemicals industry and as a construction material additive; [IUCLID]

Comments

Andalusite: May cause eye irritation; [Alfa Aesar MSDS] See "Kaolin" and "Bentonite." See "Aluminum."

Exposure Assessment
TLV (ACGIH)

1 mg/m3, respirable fraction

PEL (OSHA)

15 mg/m3(total dust), 5 mg/m3(respirable fraction)

MAK

4 mg/m3(inhalable fraction), 1.5 mg/m3 (respirable fraction)

Explanatory Notes

TLV, PEL, and MAK values for aluminum metal and insoluble compounds;

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: