Section 06 Products of the chemical or allied 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons 29 03 72 - - Dichlorotrifluoroethanes (HCFC-123) 29 03 72 00 - - Dichlorotrifluoroethanes (HCFC-123) Commodity Code Description 29 03 72 00 000 - - Dichlorotrifluoroethanes (HCFC-123)