Ammonium fluoride is a white crystalline solid. It is soluble in water. It is noncombustible. It is corrosive to aluminum. It is used in chemical analysis, in brewing, and as a preservative for wood.

Application

Mainly used in Textile dyeing , Food, and many industry . 

NH4F is used for etching glass; for preserving wood; as a mothproofing agent; in printing and dyeing textiles; and as an antiseptic in brewery  

 

Technical Specification

Physical Properties  

White, deliquescent, crystalline solid; occurs in various forms, as granular powder (commercial products), needles or leaflets, or hexagonal prism (formed on sublimation and condensation); density 1.009 g/cm3 at 25°C; decomposes on heating; highly soluble in cold water (100g/100g at 0°C); decomposes in hot water; slightly soluble in alcohol, insoluble in liquid ammonia