| preparation | a simple, efficient, energy-saving and environmentally friendly process for the production of rhodium 2-ethylhexanoate. In the kettle, 210g(1.456 moles) of 2-ethylhexanoic acid and 12.7g of deionized water and 0.317g (moles) of sodium hydroxide were added. Stir at 60 °c for 1 hour. 10g(0.048 mol) of rhodium trichloride was added. The hot water was discharged and heated to 100 degrees Celsius with steam and refluxed for 24 hours. After completion of the reaction, the temperature was cooled to room temperature, and the mixture was allowed to stand and layered. 1N aqueous sodium hydroxide solution was added dropwise to the oil phase at 30-50 ° C. To adjust the pH of the reaction system to pH = 6-10. After stirring for 20 minutes, the pH was stabilized, the mixture was washed with an appropriate amount of deionized water, stirred for 20 minutes, and then allowed to stand for 18 hours, suction filtered, and the crystals were washed with deionized water and dried. It was dried at 100 °c under vacuum and the filtrate was drained. Yield 99%, purity of liquid phase: 98.5%. |
