CAS number : 1341-49-7
Molecular weight :57.04
Molecular formula/chemical symbol : NH4HF2
Description :
Apearances: White or
colorless transparent orthorhombic crystals, slightly sour. Toxic! Luedaisuanwei.
In the air easily deliquescence, is relatively stable in the dry state. Soluble
in water and alcohol, hydrogenated hydrogen ammonium toxic, corrosive to the
skin.
USES :
Analytical reagent.For ceramics and glass surfaces
carve. Utensils disinfection.
Preparation of hydrogen fluoride in the
laboratory. Plating.
Keywords:Functional Chemicals
Report :
|
TEST ITEMS |
TEST RESULT |
|
|
NH4HF2 |
Analytical grade |
Chemically pure |
|
≥ 98.5 |
97.00 |
|
|
Residue on ignition (as sulphate) |
≤ 0.01 |
0.05 |
|
Chloride (Cl) |
≤ 0.001 |
0.005 |
|
Sulfate (SO4) |
≤ 0.005 |
0.01 |
|
Fluorosilicates (SiF6) |
≤ 0.2 |
0.5 |
|
Fe |
≤ 0.001 |
0.005 |
|
Heavy metals (as Pb) |
≤ 0.002 |
0.005 |
