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Sodium Fluorosilicate
Category : Inorganic chemicals
CAS NO : 16893-85-9 EC NO : 240-934-8 MF : Na2SiF6 MW : 188.054 Product description : Magnesium Fluorosilicate Formula:MgSiF6?6H2O Molecular Weight: 274.48 UN. NO.:2853 HAZARD CLASS:6.1 H.S. CODE:2826.9000 Physical chemistry properties: white rhombus or acicular crystal, odorless. Its density is 1.788, melting point is 120℃, may lose crystallize water by efflorescence, soluble in water, thin acid, insoluble alcohol thin soluble in silicofluoride. Its water solution appears acidity it can produce fluoride and silicon dioxide with alkali, poisonous. Usage: it can improve the hardness and strength of concrete. It is excellent harden and waterproof matter, and insecticide. Specification: MgSiF6?6H2O ≥98% MgSO4?7H2O ≤0.3% H2SiF6 ≤0.5% H2O ≤0.5% 1.0 Water undissolvable substance ≤0.2% Packing: 25kg /50kgs p.p woven bag within plastic film. Synonyms : disodium hexafluorosilicate;Sodium Silico Fluoride;Sodium fluorosilicate;Sodium fluosilicate;destruxolapplex;disodiumhexafluorosilicate;disodiumhexafluorosilicate(2-);disodiumsilicofluoride;ens-zemweevilbait;ent1,501;fluosilicatedesodium;hexafluoro-silicate(2-disodium;Sodium Fluorsilicate;sodium fluoro(oxo)silanolate; Molecular Structure : 
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