Potassium silicate

Potassium silicate
Names
	Preferred IUPAC name Potassium metasilicate
	Other names Liquid glass; Waterglass
Identifiers
CAS Number	1312-76-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	59585 ;
ECHA InfoCard	100.029.989
EC Number	233-001-1;
E number	E560 (acidity regulators, ...)
PubChem CID	66200;
UNII	J86L1GUL6K ;
CompTox Dashboard (EPA)	DTXSID20893092 ;
	InChI InChI=1S/2K.O3Si/c;;1-4(2)3/q2+1;-2 Key: NNHHDJVEYQHLHG-UHFFFAOYSA-N ; InChI=1/2K.O3Si/c;;1-4(2)3/q2+1;-2 Key: NNHHDJVEYQHLHG-UHFFFAOYAP;
	SMILES [K+].[K+].[O-][Si]([O-])=O;
Properties
Chemical formula	K2O3Si
Molar mass	154.279 g·mol−1
Appearance	White crystals
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314, H335
Precautionary statements	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)	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). verify (what is ?) Infobox references

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.

Names


Preferred IUPAC name Potassium metasilicate
Other names Liquid glass Waterglass
Identifiers
CAS Number	1312-76-1^Y
3D model (JSmol)	Interactive image
ChemSpider	59585^Y
ECHA InfoCard	100.029.989
EC Number	233-001-1
E number	E560 (acidity regulators, ...)
PubChem CID	66200
UNII	J86L1GUL6K^Y
CompTox Dashboard (EPA)	DTXSID20893092
InChI InChI=1S/2K.O3Si/c;;1-4(2)3/q2+1;-2^Y Key: NNHHDJVEYQHLHG-UHFFFAOYSA-N^Y InChI=1/2K.O3Si/c;;1-4(2)3/q2+1;-2 Key: NNHHDJVEYQHLHG-UHFFFAOYAP
SMILES [K+].[K+].[O-][Si]([O-])=O
Properties
Chemical formula	K₂O₃Si
Molar mass	154.279 g·mol⁻¹
Appearance	White crystals
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314, H335
Precautionary statements	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)	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 ^YN ?) Infobox references