| 1 |
chloroacetic acid |
| 1 |
chlorobenzene |
| 1 |
chloroethene |
| 1 |
chlorofluorocarbons |
| 1 |
chloromethane |
| 1 |
chloromethyl methyl ether |
| 1 |
chloronitroanilines |
| 1 |
chloronitrobenzene |
| 1 |
chloroprene |
| 1 |
chloropropylene |
| 1 |
chlorosulfonic acid |
| 1 |
chlorosulphonic acid |
| 1 |
cholic acid |
| 1 |
chromates |
| 1 |
chromatography chemicals |
| 1 |
chrome alum |
| 1 |
chrome salts |
| 1 |
chromic acid |
| 1 |
chromic anhydride |
| 1 |
chromic salts |
| 1 |
chromium chloride |
| 1 |
chromium oxide |
| 1 |
cinematographic film, sensitized but not exposed |
| 1 |
cinematographic films, sensitized but not exposed |
| 1 |
cinnamyl alcohol |
| 1 |
citric acid for industrial purposes |
| 1 |
clarification preparations |
| 1 |
clean hydrogen |
| 1 |
cleaning detergents for use in manufacturing processes |
| 1 |
cleaning solvents for use in manufacturing processes |
| 1 |
clutch fluid |
| 1 |
clutch fluids |
| 1 |
co-polyester resins, unprocessed |
| 1 |
coal saving preparations |
| 1 |
cobalt acetate |
| 1 |
cobalt chloride |
| 1 |
cobalt oxide for industrial purposes |
| 1 |
cobalt oxide for industrial use |
| 1 |
cobalt zirconate |
| 1 |
collagen for industrial purposes |
| 1 |
collagen for use as a raw ingredient in the manufacture of cosmetics |
| 1 |
collagen glue for industrial purposes |
| 1 |
collagen glue for industrial use |
| 1 |
collodion* |
| 1 |
colloid preparations for industrial purposes |
| 1 |
colloid preparations for industrial use |
| 1 |
colloid preparations for scientific purposes |
| 1 |
colloid preparations for scientific use |
| 1 |
colloid preparations for use in manufacture |
| 1 |
colloidal silica |