2,4-Dinitrochlorobenzene CAS: 97-00-7 Standard of identity: HG/T2553-2003 Characteristic Specification Refined Super Grade First Grade Appearance Light Yellow to Pale Brown Crystals Crystallizing Point £¬¡æ ¡à 49.5 48.5 47.5 Purity, % ¡à 99.5 99.0 96.0 Packing£ºIn iron drums of 300 kgs net each.