|
Calcium
Fluorosilicate
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 |
98.0 |
Content
of insoluble substance in water , % ≤ |
0.20 |
0.4 |
Content
of free acid , % ≤ |
0.5 |
0.7 |
Moistrue,
%≤ |
0.3 |
0.5 |
Appearance
|
White
crystalline powder |
|
