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Aluminum Fluoride CAS 7784-18-1

Aluminum Fluoride is a white crystalline or powdered inorganic compound, insoluble in water and highly thermally stable.It is mainly used in the aluminium electrolysis industry, as a flux to lower the melting point of alumina and improve the efficiency of electrolysis, but also used in ceramics, glass manufacturing and catalysts in organic chemical reactions.As aluminium fluoride dust is irritating to the respiratory tract, protective measures are required during production and use.
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  • 7784-18-1

Aluminum fluoride Basic information
Product Name: Aluminum fluoride
CAS: 7784-18-1
MF: AlF3
MW: 83.98
EINECS: 232-051-1
Mol File: 7784-18-1.mol
Aluminum fluoride Chemical Properties
Melting point 1290 °C (lit.)
Boiling point 1291 °C
density 3.1 g/mL at 25 °C (lit.)
Fp 1250°C
solubility Sparingly soluble in acids and alkalies. Insoluble in Acetone.
form powder
color White to light gray
Specific Gravity 2.882
Water Solubility SLIGHTLY SOLUBLE
Sensitive Hygroscopic
Crystal Structure VF3 type
crystal system Three sides
Sublimation 1250 ºC
Merck 14,339
Space group R3c
Lattice constant a/nm b/nm c/nm α/o β/o γ/o V/nm3
0.493 0.493 1.245 90 90 120 0.262
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2 mg/m3; TWA 2.5 mg/m3
Dielectric constant 2.2(Ambient)
CAS DataBase Reference 7784-18-1(CAS DataBase Reference)
NIST Chemistry Reference Aluminum trifluoride(7784-18-1)
EPA Substance Registry System Aluminum trifluoride (7784-18-1)
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