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You are here: Home » Inorganic powder materials » Inorganic Compound Chemicals » Inorganic acids and salts » Sodium Aluminate (Sodium Aluminum Oxide) » Sodium Aluminate (Sodium Aluminum Oxide) (NaAlO2)-Powder

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Sodium Aluminate (Sodium Aluminum Oxide) (NaAlO2)-Powder

  • 11138-49-1
  • NaAlO2
  • 11130800PD
  • 99.9%
  • - 100 mesh
  • 234-391-6
  • Class 8
  • UN3260
  • PG III
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Characteristic


Sodium aluminate is an inorganic chemical that is used as an effective source of aluminium hydroxide for many industrial and technical applications. Pure sodium aluminate (anhydrous) is a white crystalline solid.


Chemical formula:NaAlO2

Molar mass:81.97 g/mol

Appearance:white powder (sometimes light-yellowish)

                      hygroscopic/ when dissolved in water a colloidal black solution is formed

Odor:odorless

Density:1.5 g/cm3

Melting point:1,650 °C (3,000 °F; 1,920 K)

Solubility in water:highly soluble

Solubility:Insoluble in alcohol

Refractive index (nD):1.566


Application


In water treatment it is used as an adjunct to water softening systems, as a coagulant aid to improve flocculation, and for removing dissolved silica and phosphates.

In construction technology, sodium aluminate is employed to accelerate the solidification of concrete, mainly when working during frost.

Sodium aluminate is also used in the paper industry, for fire brick production, alumina production and so forth.

Sodium aluminate solutions are intermediates in the production of zeolites.



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