| Product description : |
Formulae: CaSiF6.2H2O
Molecular weight: 219.08
UN.No.: 2856
Hazard class: 6.1
H.S.Code: 2826.900090
Physical & chemical Properties: Colourless poisonous crystal.
Dihydrate compound:
Molecular formula: CaSiF6.2H2O
Molecular weight: 218.19
Anhydrous compound:
Molecular formula: CaSiF6
Molecular weight: 182.16
Property: White square crystal,odorless,flavorless,relative density:2.622;soluble in water, fluosilicic acid, hydrochloric acid, ethanol.
Use: Preservative in wood industry,hardener in concrete,opaliger in glass and porcelain enamel. Produce silicon tetrafluoride and calcium fluoride.
Product quality: Company standard
Index name Dihydrate calcium fluorosilicate Anhydrous calcium fluorosilicate
Content of calcium fluorosilicate (base on dry basis) , ≥98.5% ≥98%
Content of insoluble substance in water ≤ 0.5% ≤ 0.7%
Content of free acid ≤ 0.3% ≤ 0.5%
Moistrue ≤ 0.2% ≤ 0.4%
Appearance White crystalline powder
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