AMMONIUM HYDROGENDIFLUORIDE

Chemical name                   Ammonium bifluoride

Molecular formula                NH4HF2

Molecular weight                 57

Boiling point,℃                   240

Melting point,℃                  124.6

Liquid density,25℃,g/cm3    1.8

Vapor pressure                   0.1

Purity                                  ≥ 98%

Loss on drying                     ≤ 1%

Residue on ignition               ≤ 0.2%

Sulfate(base onSO4)             ≤ 0.1%

Ammonium fluosilicate[(NH4)2Si    ≤ 2%

AMMONIUM HYDROGENDIFLUORIDE

UN:  1727

CLASS: 8

APPLICATION

1.Glass etchant.

2.Metal-clean. The treatment of the surface of metal.

3.Used as chemical reagent, antiseptic, disinfector, analytical reagent.
4.The acidification treatment of sand in oil field, and the catalyzer of alkylation isomerization.

■ PACKING AND STORAGE

25kg or 50lb,plastic woven bag or paper-plastic compound bag lined with high pressure polythene plastic bag.

Stored in a storehouse with shed, and kept away from sunlight. Strictly forbid storing it with combustibles and 

explosives .