4-Hydroxy-TEMPO, free radical

• Catalog No.: A12497
• CAS Number: 2226-96-2
• M. F.: C9H18NO2
• M. W.: 172.24472
• Purity: 98+%

SYNONYMS

• Title: 4-羟基-TEMPO, 自由基
• IUPAC name: ol
• IUPAC Traditional name: tyrosine(.)
• Synonyms: 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidin-1-yloxy, free radical

DATABASE IDS

• EC Number: 218-760-9
• Beilstein Number: 1422990
• CAS Number: 2226-96-2
• MDL Number: MFCD00006478

PROPERTIES

• Purity: 98+%
• Flash Point: 146°C(295°F)
• Melting Point: 69-72°C
• GHS Hazard statements: H318-H315-H302-H335
• European Hazard Symbols: X
• GHS Precautionary statements: P280-P305+P351+P338-P310
• Risk Statements: 22-37/38-41
• RTECS: TN8991000
• Safety Statements: 26-36/3/39-60
• TSCA Listed: 是

REFERENCES

• Reviews: Synthesis and reactions of stable nitroxyl radicals: Synthesis, 190, 401 (1971); Advances in the chemistry of nitroxide spin labels: Chem. Rev., 78, 37 (1978); Recent advances in the chemistry of nitroxides and their applications in spin labelling: J. Sci. Ind. Res., 54, 623 (1995). For a brief feature on derived oxoammonium salts, see: Synlett, 1757 (2003).
• Compare also 4-Acetamido-TEMPO, B23456 and TEMPO, A12733.
• Recommended as a stabilizer (antioxidant) for the protection of unsaturated fatty acids and their derivatives: J. Am. Chem. Soc., 101, 6748 (1979).