A WHITE OR ALMOST WHITE, CRYSTALLINE POWDER. THE SOLUTION SHOWS AN ABSORPTION MAXIMUM AT 255 NM. KETOPROFEN.IT IS ASHITE OR ALMOST WHITE,CRYSTALLINE POWDER.THE SPRCIFIC ABSORBANCE AT THE ABSORPTION MAXIMUM IS 615 TO 680.THE INFRARED ABSORPTION SPECTRUM OF SAMPLE IS THE SAME WITH KETOPROFEN CRS KETOPROFEN BP/USP/EP/JP