Product Name: Hydrofluoric acid
Form: Liquid
Character: Colorless clear liquid with irritating smell
Formula: HF
Solubility: Hydrofluoric acid is highly soluble in water and ethanol and slightly soluble in ether.
Country of Origin: Made in China
CAS No.: 7664-39-3
HS Code: 2811119000
UN No.: 1790
EINECS No.: 231-634-8
Quality Standard ( Industrial Grade)
| Item | HF-40 | HF-50 | HF-70 |
| Hydrofluoric Acid | ≥40 | ≥50 | ≥70 |
| Hydrogen fluoride | ≤0.05 | ≤0.05 | ≤0.05 |
| Fluosilicic acid | ≤0.05 | ≤0.08 | ≤0.08 |
| Nonvolatile acid (H2SO4) | ≤0.05 | ≤0.05 | ≤0.05 |
| Residue on Ignition | ≤0.05 | ≤0.05 | ≤0.05 |
Application
Hydrofluoric acid (HF) etches glass, cleans silicon wafers in semiconductor manufacturing, synthesizes fluorine-containing compounds like Teflon, catalyzes high-octane gasoline production in oil refining, removes rust in metal processing, dissolves rock samples for mineral analysis, prepares laboratory samples, and cleans and treats surfaces in various industrial applications.
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