... Off white needle like crystals 2 perfect quality Melting point81.0-83.0 °CSolubility (25 °C)1g sample can be clearly dissolved in ... %Weoght-loss on Drying0.5% MaxResidue on Ignition0.05% MaxPurity99.0% MinArsenic Content3ppm MaxHeavy Metal content (as Pb)10ppm MaxAlcohol or ... : 20kg, 50kg/fiber board drums, 20kg, 25kg tins, 1kg tinsX10, 0.5kg tinsX40; 25kg/cartons, 50kg/galvanized steel drums. Keep in ...