... .160 (20/20)Boiling point: 302, lightly dissolving in water, dissolving in ethanol, diethyl ether,benzene, dissolving in thick inorganic acid solution but separating ... ,≥0.5Aniline, %≤0.1Freezing point,Degree Celsius≥52.60Reaction of water extract substanceNeutralMoisture, %≤0.2Alcohol insoluble substance, %≤0.05 Diphenylamine ...