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Trisodium hexafluoroaluminate

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Trisodium hexafluoroaluminate Basic information

Product Name:
Trisodium hexafluoroaluminate
Synonyms:
  • trisodium,(oc-6-11)-aluminate(3-hexafluoro-
  • trisodiumaluminumhexafluoride
  • ALUMINUM SODIUM FLUORIDE
  • ARTIFICAL CRYOLITE
  • CRYOLITE, NA3ALF6
  • CRYOLITE, SYNTHETIC
  • SODIUM ALUMINUM FLUORIDE
  • SODIUM HEXAFLUOROALUMINATE
CAS:
13775-53-6
MF:
AlF6Na3
MW:
209.94
EINECS:
237-410-6
Product Categories:
  • Aluminum
  • Catalysis and Inorganic Chemistry
  • Chemical Synthesis
  • Materials Science
  • Metal and Ceramic Science
  • Salts
  • Inorganic Chemicals
  • Inorganics
  • halometallate salts
  • Sodium Salts
Mol File:
13775-53-6.mol
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Trisodium hexafluoroaluminate Chemical Properties

Melting point:
1000°C
Density 
2.9 g/mL at 25 °C (lit.)
refractive index 
1.338
form 
Crystals
Specific Gravity
2.9
color 
White
Water Solubility 
Sparingly soluble in water(0.602 g/L at 20°C).
Merck 
14,2606
Solubility Product Constant (Ksp)
pKsp: 9.39
CAS DataBase Reference
13775-53-6(CAS DataBase Reference)
EPA Substance Registry System
Aluminate(3-), hexafluoro-, trisodium, (OC-6-11)- (13775-53-6)
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Safety Information

Hazard Codes 
T,N
Risk Statements 
20/22-48/23/25-51/53-20
Safety Statements 
22-37-45-61
RIDADR 
UN 3077 9/PG 3
WGK Germany 
1
RTECS 
BD0075000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III

MSDS

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Trisodium hexafluoroaluminate Usage And Synthesis

Chemical Properties

Sodium aluminum fluoride is a snow-white crystalline solid, powder or vitreous mass. The crystalline solid (natural product (cryolite) may be colored reddish or brown or even black but loses this discoloration on heating); synthetic product is an amorphous powder. Odorless

Uses

Sodium aluminum hexafluoride is used as a solvent (or flux) for electrolysis aluminum oxides such as bauxite, whitener for enamels and an opacifier for glass and in the industrial production of aluminum.

Definition

A compound found in large quantities in South Greenland. It is white or colorless, but may be reddish or brown because of impurities. Sodium hexafluoroaluminate is used as a flux in the manufacture of aluminum. It crystallizes in the monoclinic system but in forms that closely resemble cubes and isometric octahedrals.

Flammability and Explosibility

Nonflammable

Potential Exposure

Sodium aluminum fluoride is used in making pesticides, ceramics, glass, and polishes; in refining reduction of aluminum, flux, glass, and enamel.

Shipping

UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

Incompatibilities

Incompatible with strong acids such as sulfuric, strong oxidizers, hydrogen fluoride.

Waste Disposal

In accordance with 40CFR 165 recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

Trisodium hexafluoroaluminateSupplier

J & K SCIENTIFIC LTD.
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