Magnesium Fluorosilicate(MgSiF6.6H2O)/ Magnesium silicofluoride
FORMULA: MgSiF6.6H2O Molecular weight: 274.48 HAZARD CLASS: 6.1
H.S Code: 2826.9000 CAS No.: 16949-65-8 UN No.:2853
Properties:
Magnesium Fluorosilicate is a Colorless or white diamond or needle crystal. Tasteless. The relative density of 1.788. ChaoXie not easily, but can be weathering and lose the crystallization water. More than 80 ℃ dehydration decomposition, and released four fluoride gas silicon. Soluble in water, but soluble in dilute acid, hydrofluoric acid soluble in, not soluble in alcohol. Become acidic aqueous solution, and alkali role of corresponding generated fluoride and silica. Toxic.
Usage:
It is used as hardening agent and waterproof agent for concrete to improve rigidit yand intensity, in handling fluoride efflorescence of silica building, in ceramic industry. It prevents and kills off insect pests from textile. It is used as insecticide etc.
Specification:
|
Index name
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Index
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Magnesium Fluorosilicate(MgSiF6.6H2O),%
|
≥98.0
|
|
silicon dioxide(SiO2),%
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≤0.05
|
|
Magnesium fluoride(MgF2),%
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≤0.15
|
|
Fluosilicic acid(H2SiF6),%
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≤0.2
|
|
Water insoluble matter,%
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≤0.25
|
|
Magnesium sulfate(MgSO4.7H2O),%
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≤0.5
|
|
Moisture(H2O),%
|
≤0.2
|
Packing: 25kg p.p woven bag within plastic film.
Storage: in cool and ventilated place.