Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons 29 03 42 Difluoromethane (HFC-32) 29 03 42 00 Difluoromethane (HFC-32) Commodity Code Description 29 03 42 00 000 Difluoromethane (HFC-32)
