Section 06 Products of the chemical or allied 29 Organic chemicals 29 04 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated 29 04 91 - - Trichloronitromethane (chloropicrin) Commodity Code Description 29 04 91 00 - - Trichloronitromethane (chloropicrin)