Section 06 Products of the chemical or allied 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons 29 03 23 Tetrachloroethylene (perchloroethylene) 29 03 23 00 Tetrachloroethylene (perchloroethylene) Commodity Code Description 29 03 23 00 00 Tetrachloroethylene (perchloroethylene)
