Properties, Appearance, white to light yellow odorless solid , m.p. 185-188℃, vapor tension 2.8×10-9mPa(25℃)KowlogP-0.62(PH7, 30℃)density 1.41solubility , at 25℃ water solubility is 2.9mg/L(PH5); 1200mg/L(PH8).at 20℃ acetone solubility is 1.38g/L, in acetonitrile is 5.38g/L, in dichloroethene 11.7g/L, in ethyl acetate 1.66g/L, in n-hexane >0.01g/L, in xylene 0.280g/L; at 25℃ DT50 is 11d(PH=5); 143d(PH=7).