Potassium fluorosilicate

• Category :

  Inorganic chemicals

• Synonyms :

  dipotassium hexafluorosilicate;Potassium Fluorosilicate;Potassium Fluosilicate;Potassium Silicofluoride;potassium fluoro(oxo)silanolate;

• CAS NO :

  16871-90-2

• EC NO :

  240-896-2

• Molecular Formula :

  FKO₂Si

• Molecular Weight :

  118.181

• Main Specifications :

• InChI :

  InChI=1/FO2Si.K/c1-4(2)3;/q-1;+1

• Packing :

  In polyethylene bag and with woven plastic sack outer, 25kgs net each.

• Product description :

  Formula: K2SiF6

  Q/SRGF: 004－2011

  CAS NO.: 16871-90-2

  Specification:

  Grade	Chemical Composition %
  	K2SiF6	HF	Water insolubles	H2O
  	min	max
  Grade  Ι	98	0.1	0.5	0.5
  Grade ΙΙ	98	0.1	1.0	0.3

  Properties: The product is white crystalline or powder . poisonous and with microaidic; the hexagonal crystal system sp.gr: 3.08 and system sp.gr 2.665(at 17°C); deliquesce in moist air and slightly soluble in water, also soluble in hydrochloric acid; the solubility has somewhat raise with an increase in temperture .It's decomposed into KF and SiF4 at glow, and decomposed into KF, HF and H2Sio3 in hot water.

• Uses :

  It's used as a wood preservative and in ahe manufacture of ceramics, various optics glasses, smelting of aluminium and magnesium, also used as a raw materiar for synthetic mica and a preservative material.

• Molecular Structure :