| Class | Class Name |
|---|---|
| 1 | methane |
| 1 | methane chlorine |
| 1 | methanol (chemical) |
| 1 | methyl benzene |
| 1 | methyl benzol |
| 1 | methyl ether |
| 1 | microbial fertilizers |
| 1 | microbiological organic fertilizers |
| 1 | milk ferments for chemical purposes |
| 1 | milk ferments for industrial purposes |
| 1 | milk ferments for the food industry |
| 1 | mineral acids |
| 1 | mineral fertilizers |
| 1 | moderating materials for nuclear reactors |
| 1 | moistening (wetting) preparations for use in bleaching |
| 1 | moistening [wetting] preparations for use in bleaching |
| 1 | moistening [wetting] preparations for use in dyeing |
| 1 | moistening [wetting] preparations for use in the textile industry |
| 1 | moisture repellents (chemicals) |
| 1 | moldable foam resin for use in the manufacture of molded plastic articles (unprocessed) |
| 1 | mold-release preparations |
| 1 | mordants for metals |
| 1 | mould release preparations for use in industry |
| 1 | mould-release preparations |
| 1 | must-fining preparations |
| 1 | nanopowders for industrial purposes |
| 1 | naphthalene |
| 1 | neodymium |
| 1 | neon |
| 1 | neptunium |
| 1 | neutralizing chemicals |
| 1 | nickel sulfate |
| 1 | nitrate paper |
| 1 | nitrates |
| 1 | nitric acid |
| 1 | nitrogen |
| 1 | nitrogen based chemicals |
| 1 | nitrogenous fertilisers |
| 1 | nitrogenous fertilizers |
| 1 | nitrogenous fertilizers |
| 1 | nitrous oxide |
| 1 | nucleating agents |
| 1 | nucleic acids |
| 1 | nutritional substances (fertilizers) in liquid form for use in agriculture |
| 1 | nylon resins (unprocessed) |
| 1 | odor control chemicals for use in air conditioning and heating systems |
| 1 | oenological bactericides [chemical preparations for use in wine making] |
| 1 | oil cement [putty] |
| 1 | oil dispersants |
| 1 | oil, petrol and gasoline dispersants |
