Section 06 Products of the chemical or allied 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons 29 03 77 - - - - Chloroheptafluoropropanes 29 03 77 92 - - - - Chloroheptafluoropropanes Commodity Code Description 29 03 77 92 000 - - - - Chloroheptafluoropropanes