- RLC
- Hongkong
- in 5 days
- 3000tons/month
Hydrofluoric Acid 70% is mainly used in:
1. HF 70% is used in the glass industry for etching glass surfaces to create decorative patterns or markings.
2. HF 70% is used to etch silicon wafers to create microstructures and circuits.
3. Hydrofluoric acid 70% can be used to dissolve silica (silicon dioxide) and other minerals for chemical analysis.
4. HF 70% is used for cleaning and etching certain metals, particularly stainless steel and titanium, to prepare them for further processing or welding.
5. HF 70% is used in the oil refining industry for alkylation processes to produce high-octane gasoline.
6. HF 70% is used to extract minerals like fluorite and aluminum from their ores. It can also be used to refine certain rare earth elements.
7. Hydrofluoric acid 70% is used as a catalyst or reagent in some chemical reactions and syntheses.
8. HF 70% is used in the oil refining industry for alkylation processes to produce high-octane gasoline.
Hydrofluoric Acid 70% (HF 70%) | Factory Direct
Molecular Formula: HF
Mol Wt.: 20.01
UN No.: 1790
Cas No.: 7664-39-3
Ems No.: F-A, S-B
Einecs No.: 231-634-8
Physical State: Colorless Liquid
Odor: Acid, irritating odor
Relative Density: 1.15 g/mL at 25 °C(lit.)
Melting Point: -35°C
Boiling Point: 105°C
Flash Point: 112°C
Water Solubility: Soluble
Sensitivity: Hygroscopic
Stability: Stable. Hygroscopic. Incompatible with glass, alkali metals, light metals, alkaline earth metals
Regular Package: 25kg/253kg per drum, or 1000kg per IBC tank
Storage: Keep container tightly closed in a dry, cool and well-ventilated place.
Transportation: Hazardous Chemical, Hazard class: 8, Package Group: Ⅱ, UN No.: 1790
