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Potassium silicate

Basic information Safety Supplier Related

Potassium silicate Basic information

Product Name:
Potassium silicate
Synonyms:
  • POTASSIUM SILICATE
  • pyramid120
  • Silicicacid,potassiumsalt
  • solublepotashglass
  • solublepotashwaterglass
  • Potssium silicate
  • potassium silicate, anhydrous
  • SILICATE,POTASSIUM
CAS:
1312-76-1
MF:
K2O3Si
MW:
154.28
EINECS:
215-199-1
Product Categories:
  • As binder (eg, in carbon electrodes, lead pencils, protective coatings, insol pigments), detergent.
  • UVCBs-inorganic
  • 1312-76-1
Mol File:
1312-76-1.mol
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Potassium silicate Chemical Properties

Melting point:
>300°C
Density 
1.203-1.209 g/cm3
form 
Powder
color 
White
Water Solubility 
Soluble in water.
Merck 
14,7668
CAS DataBase Reference
1312-76-1(CAS DataBase Reference)
EPA Substance Registry System
Potassium silicate (1312-76-1)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
37/38-41
Safety Statements 
26-39
WGK Germany 
3
TSCA 
Yes
Hazardous Substances Data
1312-76-1(Hazardous Substances Data)

MSDS

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Potassium silicate Usage And Synthesis

Chemical Properties

(Solid) Weight ratio Si O 2 :K 2 O varies with grade from 2.1:1 to 2.5:1; colorless anhydrous lump, shattered or granular. Soluble in water at high temperature and pressure; insoluble in alco- hol. (Solution) Colorless liquid, B′e range 29–48 degrees.

Uses

As binder (e.g., in carbon electrodes, lead pencils, protective coatings, insoluble pigments); detergent, in glass and ceramics manufacture.

Uses

Potassium silicate is used in binders, carbon electrodes, lead pencils, protective coatings, insoluble pigments, phosphors on television tubes and detergent additives. It acts as a catalyst to make glass, ceramics, welding rods, adhesives, cements, gels, paints, pulp and paper production. Further, it is used in horticulture as a soluble source of potassium and silicon. It acts as a corrosion inhibitor.

Flammability and Explosibility

Not classified

Potassium silicate Preparation Products And Raw materials

Raw materials

Potassium silicateSupplier

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