... SGS,CIQ,ISO,COA,MSDS4.Supply Free sample5.Appreance:black liquid 2.DescriptionCoal tar is a kind of organic compound ... , textile, paper making and traffic.3.PropertiesCoal tar is a kind of black or black brown sticky liquid got during the ... extract medium-temperature pitch, modified pitch, industrial naphthalin (solid and liquid), fuel oil, light oil, hydroxybenzene oil, carbazole, indole and ...