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Sodium hexafluorosilicate, 99+%, Thermo Scientific Chemicals
Description
Sodium hexafluorosilicate is used as a additive for water fluoridation, opal glass raw material and in ore refining. It is also used in the preparation of other fluoride chemicals like sodium fluoride, sodium hexafluoroaluminate, potassium hexafluorosilicate, ammonium fluoride and calcium fluoride. It finds application as flotator, component for wet etching, wood preservative, brazing flux and welding compound. It is an active component of concrete.
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
Quantity | 500 g |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
N07L031 | Certificate of Analysis | 10/02/2025 | 069106.A3,069106.36 |
Y22H023 | Certificate of Analysis | 12/04/2022 | 069106.A3,069106.36 |
J20U003 | Certificate of Analysis | 08/12/2021 | 069106.A3,069106.36 |
W12D006 | Certificate of Analysis | 08/12/2021 | 069106.A3,069106.36 |
M30D044 | Certificate of Analysis | 08/12/2021 | 069106.A3,069106.36 |
Safety and Handling

- Sodium 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 : Sodium silicofluoride
RUO – Research Use Only
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