Imports In 2021, British Indian Ocean Territory imported $1.54k in Sulfonated, Nitrated or Nitrosated Hydrocarbons, becoming the 0th largest importer of Sulfonated, Nitrated or Nitrosated Hydrocarbons in the world. At the same year, Sulfonated, Nitrated or Nitrosated Hydrocarbons was the 0th most imported product in British Indian Ocean Territory. British Indian Ocean Territory imports Sulfonated, Nitrated or Nitrosated Hydrocarbons primarily from: N/A.