Agent Name

Aluminum hexafluorosilicate

CAS Number

17099-70-6

Formula

F18-Si3.2Al

Major Category

Metals

Synonyms

Fluoroaluminum silicate; Aluminum fluorosilicate; Aluminum fluosilicate (Al2Si3F18); Hexafluorosilicate(2-) aluminum (3:2); Aluminum hexafluorosilicate(2-) (2:3); Silicate(2-), hexafluoro-, aluminum (3:2); [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Nonahydrate: Solid; Soluble in water; [Merck Index]

Sources/Uses

Used to protect and preserve construction materials and to make glass; [Merck Index]

Comments

See "Sodium hexafluorosilicate" and "Magnesium hexafluorosilicate."

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)

TLV (ACGIH)

2.5 mg/m3, as F

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, inhalable fraction, as F

IDLH (NIOSH)

250 mg/m3, as F

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: