2,4-Dinitrophenol CAS : 51-28-5 Characteristic Specification Super grade First Grade Appearance Light Yellow Tiny Crystals Purity (% ) ¡à 99.0 97.0 Insoluble matter in Styrene ¡à 200mg/kg 500mg/kg Chlorine ¡à 130mg/kg 200mg/kg Moisture (% ) £¾ 15 15 Packing: In 25 kgs or 50 kgs net woven bag, iron drum or fibre drum each lined with plastic bag.