CAS NO.: 1341-49-7 Molecular formula: NH4HF2 Molecular Weight: 57.04 Melting point: 125.6 ℃ Boiling point: 240 ℃ Density: 1.52 Content: ≥ 98% Appearance: white or colorless orthorhombic crystal Nature: Commodity flaky, Luedaisuanwei. Solubility of slightly soluble in alcohol, easily soluble in cold water, decomposed in hot water. Dissolved in water was strongly acidic. Uses: used as glass etching agents, disinfectants, preservatives, solvents beryllium metal, Silicon steel surface treatment agent, also used in the manufacture of ceramics and magnesium alloys