abstract |
The present invention relates firstly to a composition comprising at least 99% by weight of 1,1,1,3,3-pentachloropropane, and comprising at least one compound selected from a list of supplementary compounds consisting of dichloropropanes , trichloropropanes, tetrachloropropanes, different pentachloropropanes 1,1,1,3,3-pentachloropropane, hexachloropropanes, heptachloropropanes, chloropropane, dichloropropanes, trichloropropanes, tetrachloropropanes, pentachloropropane in a minor amount by weight at 500 ppm. |