sodium metasilicate pentahydrate

CAS

10213-79-3

Na2O

29.34%

SiO2

29.51%

pH of 1.0 % Sol.

12.45

Appearance

White Crystalline Powder

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Description

sodium metasilicate pentahydrate (5H2O)

Key Properties and Characteristics
    • Formula & Appearance:

      Na2SiO3⋅5H2Ocap N a sub 2 cap S i cap O sub 3 center dot 5 cap H sub 2 cap O

      𝑁𝑎2𝑆𝑖𝑂3⋅5𝐻2𝑂

      (white crystalline solid/granules)

    • Solubility: Highly soluble in water
    • pH: Strongly alkaline
    • Characteristics:
      Hygroscopic and deliquescent

  • Functions: Powerful builder, emulsifier, and dispersant for dirt/grease
Key Applications
  • Detergents & Cleaners: Ingredient in laundry detergents, automatic dishwashing soaps, and industrial, heavy-duty cleaning products.
  • Metal Processing: Used for degreasing, rust removal, and as a corrosion inhibitor on metal surfaces.
  • Industrial & Technical Use: Used in concrete density enhancement, adhesives,, paper processing, and water treatment.
  • Manufacturing: Acts as a raw material for producing silica gels and zeolites.
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