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Potassium hexafluorosilicate, 99.999% (metals basis), Thermo Scientific Chemicals
Description
Potassium hexafluorosilicate is used in the production of porceleins. It is also used for the preservation of timber. It is involved in the manufacturing of ceramics, aluminum and magnesium smelting. In addition, it is used as an intermediate in the manufacturing of optical glass.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Melting Point | (decomposition) |
Color | White |
pH | 3.4 |
Physical Form | Crystalline |
Quantity | 10 g |
Linear Formula | K2SiF6 |
UN Number | UN2655 |
Merck Index | 14,7638 |
Solubility Information | Slightly soluble in water. |
Formula Weight | 220.28 |
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Safety and Handling

- Potassium hexafluorosilicate
- Danger
- Acute toxicity Category 3
- H301-Toxic if swallowed.
- H311-Toxic in contact with skin.
- H331-Toxic if inhaled.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P311-Call a POISON CENTER/doctor/ .
- MIXTURE LIST-Contains : Potassium silicofluoride
RUO – Research Use Only
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