| Class | Class Name |
|---|---|
| 1 | chemicals in powder form for thermal spraying |
| 1 | chemicals used as fixing agents in the textile industry |
| 1 | chemicals used in agriculture, horticulture and forestry |
| 1 | chemicals used in building and civil engineering industry |
| 1 | chemicals used in forestry [except fungicides, herbicides and insecticides] |
| 1 | chemicals used in industrial and manufacturing processes |
| 1 | chemicals used in industry, agriculture and horticulture |
| 1 | chemicals used in industry, science, agriculture, horticulture and forestry |
| 1 | chemicals used in industry, science, photography, agriculture, horticulture and forestry |
| 1 | chemicals used in manufacture of cosmetics and perfumes |
| 1 | chemicals used in marine and industrial application |
| 1 | chemicals used in photography |
| 1 | chemicals used in the building industry |
| 1 | chemicals used in the manufacture of asphalt |
| 1 | chemicals used in the manufacture of paints, protective coatings, adhesives, caulks and sealants |
| 1 | chemicals used in the manufacture of plastics, resins and polymers |
| 1 | chemicals used in the textile industry |
| 1 | chimney cleaners, chemical |
| 1 | china clay |
| 1 | china slip |
| 1 | chlorates |
| 1 | chlorides |
| 1 | chlorinated polyvinyl chloride resins and compounds |
| 1 | chlorine |
| 1 | chlorine-free fertilizers |
| 1 | cholic acid |
| 1 | chromates |
| 1 | chromatography chemicals |
| 1 | chrome alum |
| 1 | chrome plating agents for printing (chemicals) |
| 1 | chrome salts |
| 1 | chrome-free tanning substances |
| 1 | chromic acid |
| 1 | chromic salts |
| 1 | chromium oxide |
| 1 | cinematographic film, sensitized but not exposed |
| 1 | cinematographic films, sensitized but not exposed |
| 1 | citric acid for industrial purposes |
| 1 | clarification preparations |
| 1 | clarifying agents |
| 1 | coal saving preparations |
| 1 | coalescing aids for use in the manufacture of coatings, paints, varnishes, lacquers and inks |
| 1 | coating agents [chemicals], other than paint |
| 1 | cobalt oxide for industrial purposes |
| 1 | collagen [chemicals] used as ingredients for food supplements and soft drinks [non-alcoholic beverages] |
| 1 | collagen for industrial purposes |
| 1 | collodion |
| 1 | color-brightening chemicals for industrial purposes |
| 1 | colour-brightening chemicals for industrial purposes |
| 1 | combusting preparations [chemical additives to motor fuel] |
