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Aluminum Fluoride

CAS NO.： 7784-18-1

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Packing： 25KG/Woven Bag; 50KG/Woven Bag; 1000KG/Jumbo Bag

Overview

Properties

OVERVIEW

Anhydrous Aluminium Fluoride

Molecular Formula: anhydrous AlF3

Molecular Weight: 83.97

CAS No.: 7784-18-1

The anhydrous AlF3 is an off-white, free-flowing granular material, insoluble in most organic and inorganic liquids at room temperatures. It is slightly soluble in water (0.56 g/100 ml), The chemical property is very steady.

Applications:

It can lower the smelting temperature, increase electrical conductivity and adjust the molecular ratio during aluminum electrolyzing. It is propitious to the aluminum oxide electrolyte and reduces the energy consumption during the smelting. It essentially lowers the melting points and increases the conductivity of electrolytes, reducing the electric power consumption. It is also used as the flux of the non-iron metal etc. The anhydrous AlF3 supplied by DFD has the advantages such as high purity, low moisture and high bulk density, which can reduce environmental pollution, energy consumption and waste emission during aluminum smelting. Anhydrous AlF3 is the upgraded product of fluoride for the primary aluminum industry.

Spec. :

Chemical Properties	Guarantee	Typical
AlF₃	90%min	90.71%
F	61%min	61.55%
Na₂O	0.25%max	0.11%
Al₂O₃	balance	7.80%
SiO₂	0.10%max	0.018%
Fe₂O₃	0.03%max	0.015%
SO₃	0.20%max	0.11%
P₂O₅	0.01%max	0.0022%
H₂O at 110℃	0.20%max	0.10%
L.O.I. at 550℃	1.0%max	0.50%
Bulk Density	1.4g/l min	1.53g/l
Particle Size Distribution
+100mesh	10%max	2%
-325mesh	10%max	8%

Packing: in 25kgs or 50kgs pp bags or multiply paper bags, or 1000kgs-1500kgs jumbo bags, or according to customers requirement.

Properties

Aluminum fluoride is a colorless triangular crystal or white crystalline powder, soluble in water and hydrofluoric acid, insoluble in other solvents, and even heated to smoke with concentrated sulfuric acid, it still does not react. Anhydrous matter is very stable and will not decompose when heated until sublimation. It is mainly used as regulator and flux in aluminum electrolysis process. As an adjusting agent, the conductivity of electrolyte can be improved. Aluminum fluoride can be supplemented according to the analysis results to adjust the composition of electrolyte and maintain the specified electrolyte molecular ratio; As a flux, it can reduce the melting point of alumina, which is conducive to the electrolysis of alumina, control the heat balance of the electrolysis process, and reduce the energy consumption of the electrolysis process. In addition, it can also be used as a catalyst in the synthesis of organic compounds and organofluorine compounds, a component of ceramic and enamel fluxes and glazes, an improver of the refractive index of lenses and prisms, a fluorinated glass with small "light loss" in the infrared spectrum, and an inhibitor in the alcohol production process.

CAS No.

7784-18-1

Formula

AlF3

Molecular Mass

83.97670

Exact Mass

83.97670

PSA

0.00000

Logp

-8.65050

Matter Classification

inorganic

Category

Melting Point

250°C

Density

3.1 g/mL at 25 °C(lit.)

Boiling Point

1291 °C

Flash Point

1250°C

Appearance

Colorless cubic crystal or white crystalline powder, soluble in water and hydrofluoric acid, insoluble in other solvents, and even heated to smoke with concentrated sulfuric acid, it still does not react. The anhydrous matter is very stable and will not decompose when heated until sublimation.

HS Code

28261210

UN No.

3260

DG-Class

Risk Code

22-36/37/38

Safety Label

Xn,T,Xi

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