Section 06 Products of the chemical or allied 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons 29 03 45 --1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2, 2-tetrafluoroethane (HFC-134) Commodity Code Description 29 03 45 00 --1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2, 2-tetrafluoroethane (HFC-134)