1. The solvent used for cellulose acetate, the metal complex also serves as a solvent. Gasoline, lubricating oil additives, paint and varnish desiccants. Organic synthesis intermediates. 2. As analytical reagents, such as extractants, solvents. Also used to formulate gasoline additives, lubricants, fungicides, insecticides, dyes. 3. Solvents. Colorimetric method for the determination of iron and fluorine reagents. Ruthenium was measured in the presence of carbon disulfide. Determination of chromium, cobalt, antimony, manganese, zirconium. Preparation of acetylacetonate. Tungsten, molybdenum, aluminum extractant.