and extractintermediate grade 1000 extract from hydrofined hydrofined distillate distillate______________________________________viscosity ssu 100 u00b0 f 725 4 2602 8viscosity ssu 210 u00b0 f 63 8 86 2viscosity index vi 46 6 65 0spec gravity 60 u00b0 f 0 9171 0 9667api gravity 60 u00b0 f 22 8 14 9aniline point u00b0 f u00b0 c 195 4 91 135 5 57 5 sulfur wt 0 32 0 70basic nitrogen ppm 240 575total nitrogen ppm 762 1568pour point u00b0 f 21astm color astm 2 0 3 0clay gelsaturates wt 56 8 29 4aromatics wt 40 7 65 6polars wt 2 5 5 0coc flash u00b0 f 470 470gcd5 lv u00b0 f 723 71150 lv u00b0 f 863 84095 lv u00b0 f 973 947hplcsaturates wt 58 91 ring aromatics wt 20 82 ring aromatics wt 10 53 ring aromatics amp wt 9 7polars______________________________________ table 3______________________________________hydrofined distillateheavy grade 3000______________________________________viscosity ssu 100 u00b0 f 1787 7viscosity ssu 210 u00b0 f 98 1viscosity index vi 53 7spec gravity 60 u00b0 f 0 9219api gravity 60 u00b0 f 22 0aniline point u00b0 f u00b0 c 210 100 sulfur wt 0 46basic nitrogen ppm 401total nitrogen ppm 1168pour point u00b0 f astm color astm 3 0clay gelsaturates wt 55 4aromatics wt 40 2polars wt 4 4coc flash u00b0 f gcd5 lv u00b0 f 77850 lv u00b0 f 95895 lv u00b0 f 1065hplcsaturates wt 54 11 ring aromatics wt 20 12 ring aromatics wt 11 83 ring aromatics amp wt 14 0polars______________________________________ such an aromatic oil suitable in the process of the present invention is readily obtained by extracting a naphthenic distillate with aromatic extraction.