Processes for producing very high purity 1,1,1,2,3-pentachloropropane

A composition comprising:

• 1,1,1,2,3-pentachloropropane in amounts of at least about 95%, at least about 99.5%, at least about 99.7%, at least about 99.8%, at least about 99.9%, or at least about 99.95%, and one or more of the following:
• oxygenated organic compounds in amounts of less than about 500 ppm, about 250 ppm or less, about 100 ppm or less, about 50 ppm or less, or about 10 ppm or less,
• isomers of 1,1,1,2,3-pentachloropropane in amounts of less than about 500 ppm or less, about 250 ppm or less, or about 100 ppm or less,
• non-isomeric alkane impurities in amounts of less than about 500 ppm, about 250 ppm or less, or about 100 ppm or less,
• chlorinated alkenes in amounts of less than about 500 ppm, about 250 ppm or less, about 100 ppm or less, or about 50 ppm or less,
• water in amounts of less than about 500 ppm, about 250 ppm or less, about 100 ppm or less, or about 50 ppm or less,
• inorganic compounds of chlorine in amounts of about 100 ppm or less, about 50 ppm or less, about 20 ppm or less, or about 10 ppm or less,
• brominated organic compounds in amounts of about 100 ppm or less, about 50 ppm or less, about 20 ppm or less, or about 10 ppm or less, and/or
• iron, in amounts of less than about 500 ppm, less than about 200 ppm, less than about 100 ppm, less than about 50 ppm, less than about 20 ppm, less than about 10 ppm or less than about 5 ppm.