Sodium Stannate

Name:
Sodium Stannate
Detailed information:

M Formula:	Na2SnO3•3H2O or Na2Sn(OH)6
Properties:
White to light-tan crystals. Soluble in water; insoluble in alcohol; decomposes in air; aqueous solution slightly alkaline; loses 3H2O at 140C.
Derivation:
(1) By fusion of metastannic acid and sodium hydroxide, (2) by boiling tin scrap and sodium plumbate solution.
Hazard:
Toxic material. TLV: 2 mg/m3.
Use:
Mordant in dyeing, ceramics, glass, source of tin for electroplating and immersion plating, textile fireproofing, stabilizer for hydrogen peroxide, blueprint paper, laboratory reagent.