| Class | Class Name |
|---|---|
| 1 | biological fertilizers |
| 1 | biological preparations for laboratory purposes |
| 1 | biological preparations for the treatment of effluent |
| 1 | biological preparations for the treatment of waste water |
| 1 | biological preparations for use in biotechnology [other than medical] |
| 1 | biological preparations for use in manufacture |
| 1 | biological preparations for use in the preservation of agricultural forages |
| 1 | biological preparations, other than for medical or veterinary purposes |
| 1 | biological preparations [other than for medical use] |
| 1 | biological tissue cultures, other than for medical or veterinary purposes |
| 1 | biostimulants for plants |
| 1 | birdlime |
| 1 | bismuth |
| 1 | bismuth subnitrate for chemical purposes |
| 1 | bleaching preparations [decolorants] for industrial purposes |
| 1 | bleaching substances for industrial purposes |
| 1 | blood charcoal |
| 1 | blowing agents for use in the manufacture of expanded rubber |
| 1 | blue vitriol |
| 1 | blueprint cloth |
| 1 | blueprint paper |
| 1 | bone charcoal |
| 1 | borax |
| 1 | boric acid for industrial purposes |
| 1 | brake and clutch cleaners [chemicals] |
| 1 | brake fluid |
| 1 | brazing fluxes |
| 1 | brazing preparations |
| 1 | bread improvers for industrial use |
| 1 | brickwork preservatives (except paints and oils) |
| 1 | brickwork preservatives, except paints and oils |
| 1 | bromine for chemical purposes |
| 1 | buffers [chemicals] |
| 1 | building adhesives |
| 1 | by-products of the processing of cereals for industrial purposes |
| 1 | caesium |
| 1 | calcined soda |
| 1 | calcium carbide |
| 1 | calcium carbonate |
| 1 | calcium carbonate for use in industry |
| 1 | calcium cyanamide [fertiliser] |
| 1 | calcium cyanamide [fertilizer] |
| 1 | calcium nitrate |
| 1 | calcium salts |
| 1 | californium |
| 1 | calomel [mercurous chloride] |
| 1 | camphor, for industrial purposes |
| 1 | carbide |
| 1 | carbolineum for the protection of plants |
| 1 | carbon |