Section 06 Products of the chemical or allied 38 Miscellaneous chemical products 38 27 Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewh 38 27 61 Containing mixture of HFC-125 and HFC-143a (HFC-507a) 38 27 61 20 Containing mixture of HFC-125 and HFC-143a (HFC-507a) Commodity Code Description 38 27 61 20 00 Containing 15 % or more by mass of 1,1,1-trifluoroethane (HFC-143a) : - - Con