appearance:white or slightly yellow crystalline powder

content: 98.0% minethanolamine:19.0-21.0%melting point:130-135ash: 0.2% maxPH:8.5-10.0drying loss:2.0% maxheavy metals(Pb):20ppm max

hexane:300ppm max

ethyl acetate:5000ppm max

Piroctone olamine