Potassium peroxydisulfate

• Catalog No.: A15310
• CAS Number: 7727-21-1
• M. F.: K2O8S2
• M. W.: 270.3218
• Purity: 97%

SYNONYMS

• Title: 过氧化二硫酸钾
• IUPAC name: dipotassium O-[(sulfonatoperoxy)sulfonyl]oxidanidolate
• IUPAC Traditional name: dipotassium peroxydisulfate
• Synonyms: Peroxydisulfuric acid dipotassium salt; Potassium persulfate

DATABASE IDS

• CAS Number: 7727-21-1
• MDL Number: MFCD00011386
• Merck Index: 147656
• EC Number: 231-781-8

PROPERTIES

• Purity: 97%
• Density: 2.477
• Melting Point: 100°C dec.
• GHS Hazard statements: H334-H315-H319-H317-H272-H302-H335
• European Hazard Symbols: X
• European Hazard Symbols: Oxidising (O)
• GHS Precautionary statements: P221-P210-P285-P305+P351+P338-P405-P501A
• Risk Statements: 8-22-36/37/38-42/43
• RTECS: SE0400000
• Safety Statements: 22-24-26-37
• TSCA Listed: 是
• Hazard Class: 5.1
• UN Number: UN1492
• Packing Group: III

REFERENCES

• 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).
• See also Ammonium peroxydisulfate, A10533, and Sodium peroxydisulfate, 54100.