Potassium Fluorosilicate 16871-90-2

Category :	Inorganic chemicals
CAS NO :	16871-90-2
EC NO :	240-896-2
MF :	FKO₂Si
MW :	118.181
Product description :	Potassium Fluorosilicate Formula: K2SiF6 Molecular Weight: 220.26 UN. NO.: 2655 HAZARD CLASS:6.1 H.S. CODE:2826.2000 PHYSICAL CHEMISTRY PROPERTIES: white crystalline or powder, inodorous and tasteless, it is weak acid ad has moisture absorption character. Relative density is 3.08 for hexa square crystal and 2.665 for cubic crystal ( 170C) . The solubility is small in water and dissolvable in hydrochloric acid. The solubility has a little increase with temperature increase. Alcohol undissolvable. Decomposed as potassium fluoride , silicic acid and hydrogen fluoride when it burned. USAGE: It can be used as antiseptic of wood, assistant reagent in magnesium and aluminium smelted insecticide in agriculture, intermediate in organic synthesization, chemical reagent in analytical chemistry. Also used in antisepsis material , porcelain enamel, high quality welding rod production and mica synthesization. Specification: ITEM INDEX ITEM INDEX K2SiF6 ≥99% H2O ≤0.5% Fe ≤0.005% Fluorosilicate(as Cl) ≤0.1% Dissociation acid( as H2SiF6) ≤0.1% P2O5 ≤0.005% Heavy metal(as Pb) ≤0.01% Passing through 80/μm ≥90% SO42- ≤0.2% Water undissolvable substance ≤0.5%
Synonyms :	dipotassium hexafluorosilicate;Potassium Fluorosilicate;Potassium Fluosilicate;Potassium Silicofluoride;potassium fluoro(oxo)silanolate;
Molecular Structure :

Potassium Fluorosilicate

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