Fenhexamid pure product is white powder solid, melting point 152cc; industrial product is off-white powder, melting point 153.1~169.5cc, vapor pressure < 3.0X10-Pa (25cc); relative density 1.25 (20.5cc); partition coefficient KowlogP is 2.52; solubility in water is 13.14 m g/L (20 ℃).