HYDROFLUORIC ACID ELECTRONICAL GRADE
- 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 muds
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, Hydrogen fluoride, Fluorhydric acid
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 with irritant smell. It has strong corrosion. It is quite easily volatile.
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.
Package: 25kg /235kg per drums or 1000kg per IBC tank
Transportation: Hazardous chemical, Hazard class: 8, Package group: II, UN No.: 1790
Storage: 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.
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