Sodium Silico Fluoride ( Sodium fluorosilicate Disodium Hexafluorosilicate) Trade Information
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Product Description
Specification
Name of Product: Sodium Silico Fluoride
Molecular Formula:Na2SiF6
Molecular Weight:188.06 gm/mol
CAS No.:16893859
Physical & Chemical Properties
Physical Appearance: White Powder
Odour: Slightly Pungent
Solubility : Slightly soluble in water
Melting Point: Decomposition starts above 500o C
Purity as Na2SiF6 : 97.00 % Min
Fluorine Content : 57 % Min
Sodium Content : 23 25 %
Silica Content :14 15%
Free Acid :0.1 % Max
Moisture :0.25 % Max
Characteristic & Application
Sodium Silico Fluoride occurs as snow white powder with density of 1.26 gm/cc. It is slightly soluble in hot water and decomposes if heated strongly. It is slightly acidic and toxic in nature and has moisture absorption character due to its weak acidic nature. Sodium Silico Fluoride is used for fluoridation of water. It is used in the glass and enamel industries. It is also used for other metallurgical applications such as foundry additives & cover flux. It is also used as insecticides and fungicides and for wood preservative.