Hydrofluoric acid is corrosive to silicon compounds. It should be kept in sealed plastic bottles.
| English name | Hydrofluoric acid |
|---|---|
| Molecular formula | HF |
| Molecular weight | 20.0059732 |
| Density | 1.14g/cm3 |
| Boiling point | 112.2℃ |
| Appearance and properties | Colorless transparent to pale yellow fuming liquid |
| CAS RN | 7664-39-3 |
| Risk | Highly corrosive |
| Incompatibility | Strong alkalis, reactive metal powders, glass products |
| Disposal | Use excess lime water to neutralize |
Industrial hydrofluoric acid GB7744－1998
Hydrofluoric acid plays an important role in extracting aluminium and uranium. It can be used in etching glass, as catalyst of alkylation reaction of iso-butane and butane.
Storage: keep in cool and well-ventilated warehouse with temperature less than 30℃ and relative humidity less than 85%. Keep away from fire and heat sources. Keep the container sealed. Separate from alkalis, reactive metal powders, and glass products.
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