Potassium stannate
- CAS NO.：12142-33-5
- Empirical Formula: K2O3Sn
- Molecular Weight: 244.9
- MDL number: MFCD00049664
- EINECS: 235-255-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:37:20
What is Potassium stannate?
Chemical properties
white to light tan crystal(s); used to dye and print textiles, in alkaline tin plating baths; anhydrous available as -100mesh with 99.9% purity [HAW93] [CER91]
Properties of Potassium stannate
| Melting point: | 140°C (dec.) |
| Density | 3,197 g/cm3 |
| solubility | very soluble in H2O; insoluble in ethanol |
| form | colorless crystals |
| Specific Gravity | 3.197 |
| color | colorless crystals, crystalline |
| Water Solubility | 110.5g/100mL H2O at 15°C; insoluble alcohol [MER06] [KIR83] |
| Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
| CAS DataBase Reference | 12142-33-5(CAS DataBase Reference) |
| EPA Substance Registry System | Stannate (SnO32-), dipotassium (12142-33-5) |
Safety information for Potassium stannate
Computed Descriptors for Potassium stannate
Potassium stannate manufacturer
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