... 3.PropertiesCoal tar is a kind of black or black brown sticky liquid got during the process of coal coking .Coal ... dissolvable in water and soluble in organic solvent like benzene, alcohol, ethyl ether, chloroform, acetone etc.. Its fume and air ... could extract medium-temperature pitch, modified pitch, industrial naphthalin (solid and liquid), fuel oil, light oil, hydroxybenzene oil, carbazole, indole ...