sodium silicofluoride with 99%purity - Na2SiF6

Formula :Na2SiF6
Molecular weight :188.06
CAS No. :16893-85-9
UN No.: 2674
HS No.: 2826.9010.00
[Properties]: Sodium fluorosilicate is odorless and tasteless crystalline or powder. Stable at normal temperature and pressure; It is hard to dissolve in water and acid.

[Quality standard]:qualified with the standard [GB23936-2009].
Item Standard values(%) Test result
Appearance White powder White powder
Sodium fluorosilicate (Na2SiF6) ≥99 99.0
Loss of weight on drying at 105℃ ≤0.30 0.30
Free acid (as HCL) ≤0.10 0.047
Chlorides(CL) ≤0.15 0.11
Water-insolubles ≤0.4 0.017
Sulfate (SO4) ≤0.25 0.23
Fe ≤0.02 0.02
H2O ≤0.4 0.18
Grain size passing through 250µm sieve ≥90 99.4

[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，flexible freight bag，Valve mouth bag. Net weight is 25kg or 1000kg.As per customer’s required.

[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.