Molecular weight - 78.11 Packing- 10g,500g,1000g Benzene soluble in water, but soluble in alcohol, ether, acetone, chloroform Melting point: 5.51 °C ... the gas: 2.770 kg/m3 Under the conditions of benzene in next for a sweet smelling colorless transparent volatile liquid ... only the hydrogen atoms are other groups of benzene to replace it. Benzene steam can with air to create an explosive mixture ...