Synonym: Salt brain, electrical powder, refined salt, sand brine.Specific weight: 1.53Molecular formula: NH4CLMolecular weight: 53.491.Product characteristics: It is white crystal or granular material, stable in the air, moisture absorption, sublimating at 335 centidegree, soluble in water ang the water solution is weak acid reaction, it is difficult to dissolve in alcohol, insoluble in acetone and ethyl ether.2.Use:It is used in battery production, dyeing, electroplating, precision casting,fertilizer in agriculture. 3.Quality index:Index name