Section 06 Products of the chemical or allied 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons 29 03 44 -- Pentafluoroethane (HFC-125), 1,1,1-trifluoro - ethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143) Commodity Code Description 29 03 44 00 -- Pentafluoroethane (HFC-125), 1,1,1-trifluoro - ethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)