CAS No: 1341-49-7 EINECS No: 215-676-4 Molecular formula: NH4HF2 Molecular weight: 38.0443 Industrial Ammonium Hydrogenfluoride [Molecular Formula] NH4HF2 [Molecular Weight] 57.04 [Properties] White needle-like crystal, easy deliquescence and agglomeration, soluble in water and slight soluble in alcohol; decompose to ammonia and ammonium bifluoride in heat water, decompose to ammonia and hydrogen fluoride when being heated, its aqueous solution is acidic and can corrode glass. [Uses] 1. Glass etchant, preservative, disinfectant, solvent for metal beryllium made of beryllium oxide, analytical reagent and surface treatment agent for silicon steel plate. 2. It is also used as an oxidant for the manufacture of ceramics and aluminum-magnesium alloys, as well as a cleaning agent for boiler feed water systems and steam generation systems. 3. Acidification treatment of oilfield sand. 4. Organic synthetic fluorinating agent. 5. Plating solution. 6. Reagents for extracting rare elements. 7. Paint industry