SZSE：002741
Chemical Reagents
Potassium fluosilicate?COA Report
  • CAS No.：16871-90-2
  • Molecular weight：220.27
  • Aliases：Potassium hexafluosilicate
  • Molecular formula：K2SiF6
  • UN Code：2655
  • EC No.：240-896-2
Information
Specification category：
Product No. Product name specifications
1.01779.016 Potassium fluosilicate AR500g
1.01779.026 Potassium fluosilicate CP500g
1.01779.046 Potassium fluosilicate CP10kg×2
1.01779.056 Potassium fluosilicate AR10kg×2
1.01779.066 Potassium fluosilicate AR25kg
1.01779.076 Potassium fluosilicate CP10kg×2
Characteristic： Appearance and properties: White fine powder or crystal,colorless and odorless.
Density(g/mL): 2.665(25℃)
Concentration/content: ≥99％.
Solubility: Slightly soluble in water,insoluble in alcohol, soluble in hydrochloric acid.
Technical indicators：
Item AR CP
Assay(K2SiF6) ≥98.0% ≥97.0%
Free acid(as H2SiF6) ≤0.5% ≤0.5%
Chloride(Cl) ≤0.01% ≤0.02%
Sulfate(SO4) ≤0.02% ≤0.04%
Iron(Fe) ≤0.005% ≤0.01%
Heavy metals(as Pb) ≤0.005% ≤0.01%
Hazard characteristics：

IATA-DGR UN 2655 POTASSIUM FLUOSILICATE,6.1,Ⅲ

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