Trisodium hexafluoroaluminate
Synonym(s):Cryolite;Cryolite, synthetic;Sodium aluminum hexafluoride
- CAS NO.:13775-53-6
- Empirical Formula: AlF6Na3
- Molecular Weight: 209.94
- MDL number: MFCD00003507
- EINECS: 237-410-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-11 18:44:42
What is Trisodium hexafluoroaluminate?
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
The Uses of Trisodium hexafluoroaluminate
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
Non flammable
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.
Properties of Trisodium hexafluoroaluminate
Melting point: | 1000°C |
Density | 2.9 g/mL at 25 °C (lit.) |
refractive index | 1.338 |
solubility | insoluble in H2O |
form | Crystals |
color | White |
Specific Gravity | 2.9 |
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) |
Safety information for Trisodium hexafluoroaluminate
Signal word | Danger |
Pictogram(s) |
Exclamation Mark Irritant GHS07 Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H332:Acute toxicity,inhalation H362:Reproductive toxicity, effects on or via lactation H372:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P263:Avoid contact during pregnancy/while nursing. P273:Avoid release to the environment. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for Trisodium hexafluoroaluminate
New Products
Tubulysin A Tubulysin F Tubulysin I 2,2,6,6-tetramethyl-2H-3,5,6-trihydropyran-4-one 2H-Pyran, 4-ethynyltetrahydro- 3,6-Dihydro-2H-pyran-4-carbonitrile tert-Butyl (azetidin-3-yl)carbamate hydrochloride tetrahydro-4-methyl-2H-pyran CYCLOBUTYLAMINE HYDROCHLORIDE Fuel shell (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine Imeglimin Hydrochloride IH Calcium Sodium Phosphosilicate IH 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol Latanoprostene Bunod Magnesium Trisilicate Lubiprostone Flame Retardant Zinc Borate (R)-(3-(3-fluoro-4- thiomorpholinophenyl)-2- oxooxazolidin-4-yl) methyl methanesulfonate methyl 3-fluoro-4- thiomorpholino phenylcarbamate 1H-Imidazole-4-carbonitrile 7-Methoxyquinoline-4-carbonitrile 7-Methoxyquinoline-4-carboxylic acidRelated products of tetrahydrofuran
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