Name:Sodium stannate
CAS:12058-66-1
Molecular formula:Na2O3Sn
Molecular weight:212.69
EINECS:235-030-5
Synonyms:DI-SODIUM TIN TRIOXIDE; SODIUM TIN(IV) OXIDE; SODIUM M-STANNATE; SODIUM STANNATE; disodiumstannate; Stannic acid sodium salt; Sodium stannate 42-45% SnO2 basis
Sodium stannate is colorless hexagonal plate crystal or white powder. Soluble in water, insoluble in alcohol and acetone. When heated to 140°C, it loses crystal water and becomes anhydrous. Absorbs carbon dioxide in the air to form sodium carbonate and tin hydroxide.
| Na₂Sn(OH)₆
|
≥98 % | 98.5 %
|
| Total Sn | ≥42 | 42.96 |
| Fe | ≤0.02 | <0.0005 |
| Pb | ≤0.002 | <0.0005 |
| As | ≤0.001 | <0.0005 |
| Sb | ≤0.0025 | <0.0020 |
| NaOH | ≤3.5 | <0.50 |
| NO₃ | ≤0.1 | 0.020 |
| Alkali insoluble matter | ≤0.1 | 0.028 |
Solid: 25kg, 20kg, 10kg, 5kg fibre drum, PP bag, craft paper bag,1kg, 500g, 200g, 100g, 50g, 20g Aluminum foil bag. Carton: plastic wrapped carton. (The package can be made as the customer’s requirement.)
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