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Hazard Predictions

• Corrosive: Reaction products may be corrosive
• Generates gas: Reaction liberates gaseous products and may cause pressurization
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Toxic: Reaction products may be toxic

If either the salt or the siloxane are dissolved in water, a small amount of hydrofluoric acid may be formed, depending on conditions, when the fluoride salt encounters water. Further research of comparable examples in the literature or very small scale, carefully controlled experiments may be needed to fully assess compatibility. should be completed to assess full hazard.

Hydrogen fluoride attacks silica glass (silicon dioxide), forming corrosive and toxic silicon tetrafluoride gas, which can react with water (Housecroft, C. E.; Sharpe, A. G. Inorganic Chemistry, 2nd ed.; Pearson: Harlow (England), 2005, p. 221, 363).

Potential Gas Byproducts

• Halosilanes