Sodium Fluorosilicate

Technical Data Sheet

Chemical analysis Unit Specification
Na2SiF6 % 99.0 %MIN.
CLoss of weight on drying at 105≤   0.30 %MAX.
Free acid(as HCL) ≤ % 0.1 %MAX
Water-insoluble matter 0.50 % Max
Arsenic ppm 1 max
Barium ppm 200 max
Beryllium ppm 0.4 max
Cadmium ppm 0.5 max
Chromium ppm 10 max
Copper ppm 130 max
Mercury ppm 0.2max
Lead ppm 1.5max
Antimony ppm 0.6max
Selenium ppm 5max
Thallium ppm 0.2 max

Physical properties

Physical Description It is white powder, density 2.75, moisture absorptive, not soluble in alcohol, slightly soluble in water, decomposed in alkali solution.
Molecular weight 188.06

Dot and freight description

Hazardous material description FSodium Fluorosilicate
Haz.Mat.Class,I.D.#,packing Group 8,UN 2764,PG II Principle
CAS Number 16893-85-9