We are factory of ammonium chloride! Molecular formula: nh4cl N.W. : 53.49 Appearance: colorless crystal or white crystal powder Properties: it dissolves in water easily, in glycerin and little solve in alcohol, not solve in acetone and aether. Specification: Item enterprise standard Ammonium chloride(nh4cl) % í² 99.6 Loss on drying % ín 0.3 Residue on ignition%ín 0.1 Fe %ín 0.005 Heavy metal (pb)%ín 0.001 As % ín 0.0005 Barium Confirm Ph 4-6 Slufate (so4 ) %ín 0.015 Calcium(ca) % ín 0.002 Potassium (k) % ín 0.02 Bromide % ín 0.005 Sulfate ash % ín 0.1% Packing: 25kg woven bag or 25kg paper drum