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Changshu Xinhua chemical co., ltd.

常熟市新華化工有限公司

Changshu Xinhua chemical co., ltd.

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Ammonium Fluorosilicate

Molecular formula: (NH4)2·SiF6
Molecualr weight: 178.14
Properties: Colorless crystle powder, soluble in water and alcohol. It has α and β two configuration, α is isometric system, β is triclinic system, stable in air, but when the β configuration is heated for a long time, its own crystle system break, then converted to α configuration powder. The two states can be soluble in water and ethanol, not soluble in propanol.
Usage: anti-moth agent, disinfectant for wine industry, glass etchant, anti-moth agent for textile, also used for light-metal casting, electroplating, used in artificial cryolite and producing ammonium chlorate etc.
Content: 98%
Impurities:

(SO4)

≤0.2%

(H2O)

≤0.6%

Water insoluble matter

≤0.2%

Iron (Fe)

≤0.005%

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