Coal Tar 1.Sulfur content:< 0, 5 % 2.Quinoline insoluble content:4, 5 ... tar has special distinctive odour. Its relative density is 1.18~1.23 and the open flash point is at 200°C ... , 5 – 8, 0Density Under 20°C, g/cm31.15-1.121.13-1.221, 185 – 1, 190NaphthaleneContent , %7.07.0Not less than 9.0 ...