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Potassium ethyl xanthate is used as a reagent for extraction of metal ions into organic solvents and in the preparation of 2-mercapto benzimidazoles and 2-mercapto benzoxazoles by reacting with o-phenylenediamines and o-amino phenols respectively. It acts as a precursor in the production of unsymmetrical sulfides through cross-coupling reaction and as a floatation agent in the mining industry. It is involved in the determination of cadmium in water samples by substoichiometric radiochemical method and the adsorption of colloidal dye disperse Blue 3 onto pretreated polyester fabric.
Reagent for extraction of metal ions into organic solvents: Talanta, 23, 417 (1975).
For conversion of arene diazonium salts to thiols via the aryl ethyl xanthate, see: Org. Synth. Coll., 3, 809 (1955). [Caution! explosive diazonium xanthates may be formed: Org. Synth. Coll., 5, 1050 (1973)].
For use in the conversion of o-phenylenediamines to 2-mercapto benzimidazoles and o-amino phenols to 2-mercapto benzoxazoles, see: Org. Synth. Coll., 4, 569 (1963).
Reaction with the tosylate of a secondary alcohol, followed by cleavage with ethylenediamine gives the thiol of opposite configuration: Synthesis, 425 (1974).
Mahmoud, M. R.; Lazaridis, N. K.; Matis, K. A. Study of flotation conditions for cadmium(II) removal from aqueous solutions. Process Saf. Environ. Prot. 2015, 94, 203-211.
Deng, J.; Lei, Y.; Wen, S.; Chen, Z. Modeling interactions between ethyl xanthate and Cu/Fe ions using DFT/B3LYP approach. Int. J. Miner. Process. 2015, 140, 43-49.
Gefahrenhinweise (EU): H302-H315-H319-H335
Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.