Product name:  Ammonium bifluoride
Alias:  Ammonium hydrogen difluoride; ammoniumfluoridecomp.withhydrogenfluoride(1:1); ammoniumfluoridecomp withhydrogenfluoride(1:1); ammoniumbifluoride,solution; ammoniumfluoride((nh4)(hf2)); AMMONIUM HYDROGEN FLUORIDE; acidammoniumfluoride; ammoniumbifluoride,solid; hydrofluoric acid, Ammonium salt (1:1); Ammonium Hydrogenfluoride
CAS Number:  1341-49-7
EINECS Number:  215-676-4
Molecular formula:  NH4HF2
Molecular weight:  38.0443
Physical and chemical properties:
Property White or colorless transparent orthorhombic crystal, the product is flake-like with a slightly sour taste.
Melting point 125.6 ℃
Boiling point 240 ℃
Relative density 1.52
Solubility slightly soluble in alcohol, easily soluble in cold water, decomposed in hot water. Dissolved in water, it is strongly acidic.
Uses: Used as glass etchant, disinfectant, preservative, solvent for metal beryllium, surface treatment agent for silicon steel plate, also used in the manufacture of ceramics and magnesium alloys