Gallium trichloride

English alias:; Gallium (III) chloride ,Gallium chloride anhydrous; Gallium chloride

CAS number: 13450-90-3

EINECS number: 236-610-0

Molecular formula: Cl3Ga

Molecular weight: 176.082

Steam pressure: 33900 mmHg at 25 ° C

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Purity: 99.99%, 99.999%
Appearance: white needle crystal
Physical and chemical properties:
Boiling point: 201.3 ° C
Melting point: 77.9 ° C
Density: 2.47gcm-3

Nature: The pre-moisture in the air is hydrolyzed and smoked. The gas exists as a dimer at about 270 ° C. Soluble in water, issued a lot of heat. Trivalent gallium is present in the aqueous solution as the oxo acid ion GaO33-GaO2- at pH 6 or above. Soluble in ether, benzene and other organic solvents, dissolved in ammonia to form ammonia complex
Process route: non-wet process, does not contain any crystal water. Gallium and hydrogen chloride gas reaction, through the distillation separation, purification;
Tests: XRD; GDMS (4N: total impurity elements less than 100ppm; Because indium chloride is easily hydrolyzed, ICP-AES, ICP-OES, ICP-MS, can not accurately detect its purity, Is taken on the sample: solution, digestion, dilution and other configuration of the aqueous solution).
Uses: semiconductor doping; Doping; Ⅲ-Ⅴ compound semiconductors, the basic raw material for the synthesis of organic gallium series compounds, organic reaction catalyst, in organic synthesis and electronics industry has a wide range of applications.
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