ammonium hydrogen difluoride CAS NO.1341-49-7

details

■ physical properties

molecular weight……………………………………………………57.04
boiling point(℃)……………………………………………………240
melting point(℃)……………………………………………………124.6
liquid density[25℃](g/cm3)…………………………………………1.83
vapor pressure(kpa)…………………………………………………0.13

■ technical index(standard:hg/t3586-1999)

■ properties introduction

white orthorhombic crystal, easily deliquescent in the air, soluble in water very easily. its solution is strong acid and poisonous, which can erode glass.

■ application

it is used as chemical reagent, glass etchant, antiseptic, disinfector, analytical reagent, the solvent in beryllia producing beryllium metal and the treatment of the surface of silicon steel plate. it is also used as the oxidant in producing pottery and magnesium alloy, the cleaning agent of boiler water-supply system and steam-generating system, the acidification treatment of sand in oil field, and the catalyzer of alkylation isomerization.

■ packing,storage and transportation

plastic woven bag or paper-plastic compound bag lined with high-pressure polythene plastic bag. netweight: 25kg.
it should be stored in a storehouse with shed, and kept away from sunlight. strictly forbid storing it with combustibles and explosives together.