Formula: NH4CL m. w. : 53.49 grade: tech. cas no.: 12125-02-9 description: white fine granular crystal. easily soluble in water. its water solution is weakly acidic. slightly soluble in ethyl alcohol. specification: NH4CL (on dry base ): 99.5%min Ammonium chloride industrial grade Moisture: 0.5%max Residue in ignition: 0.4%max Fe: 0.0005%max Pb: 0.0005%max SO4: 0.02%max PH value: 4.0 to 5.8 Packing: In 25kgs bag. 22mt=1x20'fcl uses: used in dry cell, dyeing, tanning, electrical plating. it's also used as pharmaceuticals, welding agent and hardener in molding of precision casting. packing: packed in 25kg plastic woven bags lined with plastic bags. storage: keep dry. deep away from acid and alkali.