3 chlorine toluene departments are colorless, to the yellowish liquid, the point is- 4. 75 degrees centigrade, boiling point is 220. 6 degrees centigrade, the relative density 1. 3723 (20/4), is it on ink, dissolve it to the alcohol to dissolve, ether and benzene, the likely to suffer from smoke of air, turn into the benzoic acid with water or the alkali water function.