6 RAW MATERIALS FOR SYNTHESIS IN ORGANIC CHEMISTRY FOR INDUSTRIAL AND MANUFACTURING USE, SYNTHETIC INTERMEDIATE PRODUCTS FOR INDUSTRIAL AND MANUFACTURING USE, CHEMICAL PRODUCTS INTENDED FOR PHOTOGRAPHY, WEED-KILLERS, INSECTICIDES, PESTICIDES, BASIC CHEMICAL PRODUCTS FOR THE MANUFACTURE OF POLYURETHANES, POLYESTERS, POLYBUTADIENES, POLYSTYRENES AND IMITATION LEATHER, SPECIAL PLASTICIZERS, ORGANIC FIRE-PROOF MATERIALS CONTAINING PHOSPHORUS, AMINEBASED WELDING FLOWERS, DISINFECTANTS FOR PRESERVATION OF FOOD PRODUCTS, AND TANNING SUBSTANCES