51 |
Organic chemicals |
52 |
Inorganic chemicals |
53 |
Dyeing, tanning and colouring materials |
54 |
Medicinal and pharmaceutical products |
55 |
Essential oils and resinoids and perfume materials; toilet, polishing and cleansing preparations |
56 |
Fertilizers (other than those of group 272) |
57 |
Plastics in primary forms |
58 |
Plastics in non-primary forms |
59 |
Chemical materials and products, n.e.s. |