 
| Class | Class Name | 
|---|---|
| 1 | amyl acetate | 
| 1 | amyl alcohol | 
| 1 | anhydrides | 
| 1 | anhydrous ammonia | 
| 1 | animal albumen [raw material] | 
| 1 | animal carbon | 
| 1 | animal carbon preparations | 
| 1 | animal charcoal | 
| 1 | animal manure | 
| 1 | anthranilic acid | 
| 1 | anti-aging agents [chemicals] | 
| 1 | anti-boil preparations for engine coolants | 
| 1 | anti-corrosive coatings (chemical, other than paints) | 
| 1 | anti-foaming agents | 
| 1 | antifreeze | 
| 1 | anti-freeze compositions | 
| 1 | anti-freeze for radiators | 
| 1 | anti-freeze for windshield washers | 
| 1 | anti-freezing preparations | 
| 1 | anti-frothing solutions for accumulators | 
| 1 | anti-frothing solutions for batteries | 
| 1 | anti-incrustants | 
| 1 | anti-knock substances for internal combustion engines | 
| 1 | anti-leakage chemical preparations for automobile radiator | 
| 1 | antimicrobial chemical additives | 
| 1 | antimicrobial chemical agents for use in the manufacture of cosmetics | 
| 1 | antimicrobial preservatives for cosmetics and pharmaceuticals | 
| 1 | antimony | 
| 1 | antimony oxide | 
| 1 | antimony sulfide | 
| 1 | anti-oxidants being additives for manufacturing plastics and foam | 
| 1 | anti-oxidants for industrial oil | 
| 1 | anti-oxidants for industrial use | 
| 1 | anti-oxidants for liquid fuel | 
| 1 | anti-oxidants for use in manufacture | 
| 1 | antioxidants for use in manufacture | 
| 1 | antioxidants for use in the manufacture of cosmetics | 
| 1 | antioxidants for use in the manufacture of food supplements | 
| 1 | antioxidants for use in the manufacture of pharmaceuticals | 
| 1 | anti-sprouting preparations for vegetables | 
| 1 | anti-static preparations [chemicals] | 
| 1 | antistatic preparations, other than for household purposes | 
| 1 | anti-tarnishing chemicals for vehicle windows | 
| 1 | anti-tarnishing chemicals for windows | 
| 1 | argon | 
| 1 | arsenic | 
| 1 | arsenious acid | 
| 1 | artificial and synthetic resins | 
| 1 | artificial and synthetic resins (unprocessed) | 
| 1 | artificial fertilisers |