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Potassium silicate


Category: Other
Colorless or yellowish translucent to transparent glass. hygroscopic. Strong alkaline reaction. decomposes in acid to precipitate silicon dioxide. Slowly soluble in cold water or almost insoluble in water (depending on its composition), insoluble in ethanol. Potassium silicate is commonly used in the manufacture of welding electrodes, welding electrodes, vat dyes, fire retardants. It is also used as a screen coating and soap filler.
Basic Information
Product name: potassium silicate
Chemical formula: K2 SiO3
CAS No.: 1312-76-1
Melting point: 976℃
Alternative Name: Potassium water glass
Molecular weight: 154.28
Product name: potassium silicate
English name: potassium silicate
Alias:Potassium polysilicate; Potassium silicate; Caswell No. 701B; EPA Pesticide Chemical Code 072606; HSDB 5798; Kasil; Kasil 6; PS 7; Potassium metasilicate; Potassium silicate solution; Potassium water glass; Pyramid 120; Silicic acid, potassium salt; Soluble potash glass; Soluble potash water glass; tetrapotassium orthosilicate
CAS No.: 1312-76-1
Molecular formula: K2 SiO3
Molecular weight: 158
SMILES:[Si]([O-])([O-])[O-]. [K+]. [K+][1]  
Physical property data
Properties: viscous liquid.
Solubility: freely soluble in water and acid. Insoluble in alcohol.
Main use
Mainly used in electronic instrument industry (kinescope), detergent, welding electrode and so on
System Number
CAS No.: 1312-76-1
EINECS No.: 215-199-1




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