Physical Properties Physical Properties of benzene 1.It is a colourless liquid with boiling point 80C. 2.It is insoluble in water but soluble in organic solvent. 3.It burns with a sooty flame and it is highly inflammable. A.It is carcinogenic..致癌物（质）的Physical Properties Physical Properties of benzene 1. It is a colourless liquid with boiling point 80oC. 2. It is insoluble in water but soluble in organic solvent. 3. It burns with a sooty flame and it is highly inflammable. 4. It is carcinogenic.致癌物(质)的