Hydrofluoric Acid for mental surface treatment
- FSSF
- China
- in 5 days
- 3000tons/month
Double Fluoride Chemical's Hydrofluoric Acid is mainly used in:
1、Stainless steel pickling agent
2、Glass etching, polishing and frosting
3、Production of high performance industrial cleaning chemicals
4、Surface treatment for metal industry
5、Production of concrete hardening accelerators
6、Mineral bleaching
7、Drilling mud
CAS NO.: 7664-39-3 Hydrofluoric Acid（ 49% 55%）
Hydrofluoric Acid
Molecular Formula: HF
Mol. Wt: 20.01
Cas No.:7664-39-3
UN No.: 1790
EMS No.: F-A, S-B
EINECS: 231-634-8
Synonyms: Fluohydric Acid, Fluoric Acid, Hydrofluoric Acid Solution
Molecular Formula:HF Molecular Weight:20.01 | |||||||
Index Name | Index | ||||||
Grade I | Grade II | ||||||
HF-40 | HF-50 | HF-55 | HF-60 | HF-40 | HF-50 | HF-55 | |
HF % | 40.0 | 50 | 55.0 | 60.0 | 40.0 | 50.0 | 55.0 |
H2SiF6 % | 0.20 | 0.5 | 0.5 | 0.4 | 5-10 | 5-10 | 5-10 |
H2SO4 % | 0.05 | 0.08 | 0.08 | 0.08 | 2.0 | 2.0 | 2.0 |
Physical state: Colorless, transparent liquid
Odor: Acrid, irritating odor
Melting point: -35°C
Boiling point: 105°C
Relative density: 1.15 g/mL at 25 °C(lit.)
Stability: Stable. Hygroscopic. Incompatible with glass, alkali metals, light metals, alkaline earth metals.
Regular package: 25kg /235kg per drums or 1000kg per IBC tank
Stotage: Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Transportation: Hazard Chemical, Hazard Class: 8, Packing Group: II, UN No.: 1790
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