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If any interested , please feel free to sending yr indication with yr request via sending me e-mail by ***** Sodium fluorosilicate CAS No. :*********9 UN No.:***4 HS No.: *********0 Molecular weight ：**8.*6 【Properties】: Sodium fluorosilicate is odorless and tasteless crystalline or powder. molecular formula Na2SiF6， Stable at normal temperature and pressure; It is hard to dissolve in water and acid, won’t burn or explode being heated. 【Quality standard】:qualified with the standard 【HG********0】. Item Standard values(%) Test result Appearance White powder White powder Sodium fluorosilicate (Na2SiF6) ≥*8.5 *9.0 Loss of weight on drying at **5℃ ＜0.*0 0.*0 Free acid (as HCL) ≤0.1 0.**7 Chlorides(CL) ≤0.*5 0.*1 Sulfate (SO4) ≤0.*5 0.*3 Fe ≤0.*2 0.*2 H2O ≤0.4 0.*8 Fineness ≥*0 *9 【Application】Milky agent and fusing agent for glass and enamel; preserving agent for wood; agricultural insecticide ; hygroscopic agent for acid-resisting cement; coagulation accelerator in natural emulsion products. Additive in electroplating zinc , nickel and iron in three floors; stuffing agent in plastics; pharmacy, fluorating treatment for drinking water and for man-made crystals and Sodium Fluoride. 【Packing】: polyethylene weaving inner lined with plastic bag. Net weight is *5kg（exported packing）. 【storage and transportation 】: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food.