Potassium silicate

Potassium silicate
Names
Preferred IUPAC name
Potassium metasilicate
Other names
Liquid glass
Waterglass
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.989 Edit this at Wikidata
EC Number
  • 233-001-1
E number E560 (acidity regulators, ...)
UNII
  • InChI=1S/2K.O3Si/c;;1-4(2)3/q2*+1;-2 checkY
    Key: NNHHDJVEYQHLHG-UHFFFAOYSA-N checkY
  • InChI=1/2K.O3Si/c;;1-4(2)3/q2*+1;-2
    Key: NNHHDJVEYQHLHG-UHFFFAOYAP
  • [K+].[K+].[O-][Si]([O-])=O
Properties
K2O3Si
Molar mass 154.279 g·mol−1
Appearance White crystals
Hazards
GHS labelling:
GHS05: CorrosiveGHS07: Exclamation mark
Danger
H314, H335
P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P363, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
0
Related compounds
Other anions
 Potassium carbonate
Potassium germanate
Potassium stannate
Potassium plumbate
Other cations
 Sodium silicate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Potassium silicate is the name for a family of inorganic compounds. The most common potassium silicate has the formula K2SiO3, samples of which contain varying amounts of water. These are white solids or colorless solutions.[1]

  1. ^ Gerard Lagaly, Werner Tufar, A. Minihan, A. Lovell "Silicates" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, 2005. doi:10.1002/14356007.a23_661