Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons. 29 03 19 1, 1, 1Trichlorolethene (Methylchoroform). 29 03 19 10 1, 1, 1Trichlorolethene (Methylchoroform). Commodity Code Description 29 03 19 10 000 1, 1, 1Trichlorolethene (Methylchoroform).