Trisodium hexafluoroaluminate

Molecular Structure of Trisodium hexafluoroaluminate (CAS NO.13775-53-6):
IUPAC Name: aluminum trisodium hexafluoride

Empirical Formula: AlF₆Na₃
Molecular Weight: 209.9413
Product Categories: Inorganic Chemicals; Inorganics
Appearance: Colorless monoclinic crystals
EINECS: 237-410-6
Melting Point: 755 °C
Boiling Point: 1390 °C
Density: 2.9 g/mL at 25 °C
Refractive index: 1.338
Merck: 14,2606
Product Categories: Inorganic Chemicals; Inorganics

Synthesis by the sodium carbonate solution, sodium fluoride and fluoride acid synthesis by the synthesis of fluorine acid and aluminum hydroxide aluminum fluoride by filtration, so as to reflect, synthetic cryolite, and then by filtration, drying, obtained cryolite finished. Its
H₂SiF₆ +3Na₂CO₃ → 6NaF + SiO₂ + H₂O +3CO₂ ↑
H₂SiF₆ +2AI (OH)₃ → 2AlF₃ + SiO₂ +4 H₂O
A1F₃ +3NaF → Na₃AlF₆
Dry to gaseous hydrogen fluoride at 400 ~ 700 ℃ by aluminum hydroxide to produce aluminum fluoride acid, then with high-temperature reaction of sodium carbonate, synthetic cryolite, and then by filtration, drying, and the system was finished cryolite. Its
6HF + AI(OH)₃ → A1F₃·3HF +3H₂O
2 (A1F₃ ·3HF) +3Na₂CO₃ → 2Na₃AIF₆ +3CO₂ ↑ +3H₂O
Industrial Recovery Act aluminum in steam heating, the aluminum industry waste and hydrofluoric acid derived from the reaction of aluminum fluoride, and then heated under steam reaction with sodium carbonate solution, synthetic cryolite, and then by filtration, drying, obtained ice crystals Stone finished product. Its
6HF + AI (OH)₃ → AlF₃ · 3HF +3 H₂O
2 (A1F₃ · 3HF) +3 Na₂CO₃ → 2Na₃AlF₆ +3H₂O +3CO₂↑

Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of Al and F⁻.
Safety information of Aluminum trisodium hexafluoride (CAS NO.13775-53-6):
Hazard Codes:  T,N
Risk Statements:
20/22  Harmful by inhalation and if swallowed
48/23/25  Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed
51/53  Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements:
22  Do not breathe dust
37  Wear suitable gloves
45  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
61  Avoid release to the environment. Refer to special instructions safety data sheet
RIDADR: UN 3077 9/PG 3
WGK Germany: 1
RTECS: BD0075000
HazardClass: 8
PackingGroup: III

  Trisodium hexafluoroaluminate , with CAS number of 13775-53-6, can be called Aluminum trisodium hexafluoride ; Sodium aluminum fluoride ; Sodium aluminum hexafluoride ; Sodium fluoroaluminate (Na₃AlF₆) ; Sodium hexafluoroaluminate (Na₃AlF₆) ; Trisodium aluminum hexafluoride . Trisodium hexafluoroaluminate (CAS NO.13775-53-6) is mainly used for the flux, crop insecticides, enamel glaze cream melting agents and agents.It is also used in the manufacture of glass, but also to make aluminum, ferroalloy and steel production in the electrolyte boiling and grinding wheels and other ingredients.