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Potassium peroxydisulfate is used as an oxidizing agent in organic synthesis. It is involved in the Elbs persulfate oxidation of phenols and the Boyland-Sims oxidation of anilines. In solution, it gives radicals and is used to initiate polymerization reactions to prepare styrene-butadiene rubber and polytetrafluoroethylene. It is used as a bleaching agent in various hair bleaches, as an ion exchange agent, a plating agent and a surface treating agent.
Useful oxidant: J. Org. Chem., 25, 1901 (1960); examples:
Conversion of phenols to para-diphenols in alkaline solution (Elbs oxidation), and of arylamines to aminophenols (Boyland-Sims oxidation); review: Org. React., 35, 421 (1988). Phase-transfer conversion of acids to peracids in the presence of BTEAC or PEG: Synth. Commun., 18, 2123 (1988). In the presence of Na2HPO4 in acetone - dichloromethane, arylamines give nitro arenes: Tetrahedron Lett., 29, 4501 (1988). In the presence of Ni(II) salts, primary alkylamines can undergo dehydrogenation to nitriles: Bull. Chem. Soc. Jpn., 63, 301 (1990).
Patil, V. V.; Shankarling, G. S. Steric-Hindrance-Induced Regio-and Chemoselective Oxidation of Aromatic Amines. J. Org. Chem. 2015, 80 (16), 7876-7883.
Anirudhan, T. S.; Suchithra, P. S.; Senan, P.; Tharun, A. R. Kinetic and equilibrium profiles of adsorptive recovery of thorium(IV) from aqueous solutions using poly (methacrylic acid) grafted cellulose/bentonite superabsorbent composite. Ind. Eng. Chem. Res. 2012, 51 (13), 4825-4836.
Hazard Statements: H272-H302-H315-H317-H319-H334-H335
May intensify fire; oxidizer. Harmful if swallowed. Causes skin irritation. May cause an allergic skin reaction. Causes serious eye irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation.
Precautionary Statements: P210-P220-P221-P261-P264b-P270-P271-P272-P280-P285-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P333+P313-P337+P313-P342+P311-P362-P370+P378q-P501c
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep/Store away from clothing/combustible materials. Take any precaution to avoid mixing with combustibles. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. In case of inadequate ventilation wear respiratory protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation or rash occurs: Get medical advice/attention. If eye irritation persists: If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician. Take off contaminated clothing and wash before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant