Sodium stannate (CAS 12027-70-2)

Sodium stannate (CAS 12027-70-2)

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Sodium stannate (CAS 12027-70-2)

Sodium stannate, formally sodium hexahydroxostannate(IV), is the inorganic compound with the formula Na2[Sn(OH)6]. This colourless salt forms upon dissolving metallic tin or tin(IV) oxide in sodium hydroxide, and is used as a stabiliser for hydrogen peroxide. In older literature, stannates are sometimes represented as having the simple oxyanion SnO32−, in which case this compound is sometimes named as sodium stannate–3–water and represented as Na2SnO3·3H2O, a hydrate with three waters of crystallisation. The anhydrous form of sodium stannate, Na2SnO3, is recognised as a distinct compound with its own CAS Registry Number, 12058-66-1 , and a distinct material safety data sheet.

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25 kg bag

Description

Information

Industries: Paints and varnishes, Cosmetic industry, Glass and ceramics
CAS number: 12027-70-2
WE number: 234-724-5
Chemical formula: Na2SN(OH)6
Molar mass: 266,74 g/mol

Other physical properties

Melting / freezing point: 140°C
Relative density: 1,16 g/cm3 (20ºC)
Solubility in water: 613 g/l (20°C)

Additional information

Available amount

25 kg bag