By certification 
Hydrofluoric acid
[Name] Hydrofluoric acid[7664-39-3]
[Molecular formula] HF
[Molecular weight] 20.01
[UN] 1790
[Product Specifications]Standard: GB7744-2008
Index Name |
Excellent Grade |
First Grade |
Second Grade |
||||
F-40 |
F-40 |
F-55 |
F-60 |
F-40 |
F-55 |
F-60 |
|
HF, %min |
40 |
40 |
55 |
60 |
40 |
55 |
60 |
Fluorosilicic Acid(H2SiF6),%max |
0.02 |
0.2 |
0.4 |
0.5 |
0.6 |
1.0 |
1.0 |
Sulfate(SO4),%max |
0.02 |
0.05 |
0.08 |
0.4 |
0.6 |
0.8 |
1.0 |
Iron(Fe),%max |
0.005 |
0.1 |
- |
- |
- |
- |
- |
[Character] Clear colorless fuming liquid,very easy to volatilize, to produce fluoride when reacting with metal salt, oxide and hydroxide, strong corrosion.
[Uses] It is used as raw material to produce organic and inorganic fluoride, used in etching of glass, finishing and polishing; also used in cleaning of metal surface.
[Packing] plastic barrel, net weight: 7kg,10kg or 25kg per barrel; iron-plastic barrel, net weight: 50kg or 200kg per barrel.
