Home > Name List By p > Phenoxy,4-[[3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]methyl]-2,6-bis(1,1-dimethylethyl)-

CAS No 2370-18-5 , Phenoxy,4-[[3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]methyl]-2,6-bis(1,1-dimethylethyl)-

  • Name: Phenoxy,4-[[3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]methyl]-2,6-bis(1,1-dimethylethyl)-
  • Synonyms: p-Tolyloxy,2,6-di-tert-butyl-a-(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)- (6CI,7CI,8CI); Galvinoxyl free radical; Galvinoxylradical;Coppinger's radical; Galvinoxyl; Galvinoxy;Phenoxy,4-[[3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]methyl]-2,6-bis(1,1-dimethylethyl)-;2,6-Di-tert-butyl-a-(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-p-tolyloxy;
  • CAS Registry Number:
  • Melting Point: 158-159 °C(lit.)
  • Flash Point: 216.9°C
  • Boiling Point: 512.6°Cat760mmHg
  • Density: 1.012g/cm3
  • Safety Statements:
    Safety Statements 24/25
    WGK Germany 3
    RTECS XV7978000
  • Flash Point: 216.9°C
  • EINECS: 219-133-2
  • Molecular Weight: 421.63
  • InChI: InChI=1/C29H41O2/c1-26(2,3)20-14-18(15-21(24(20)30)27(4,5)6)13-19-16-22(28(7,8)9)25(31)23(17-19)29(10,11)12/h13-17H,1-12H3
  • Risk Statements: S24/25 :Avoid contact with skin and eyes.;
  • Molecular Formula: C29H41 O2
  • Molecular Structure:CAS No:2370-18-5 Phenoxy,4-[[3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]methyl]-2,6-bis(1,1-dimethylethyl)-

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References of Phenoxy,4-[[3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]methyl]-2,6-bis(1,1-dimethylethyl)-
Title: Galvinoxyl
CAS Registry Number: 2370-18-5
CAS Name: 4-[[3,5-Bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]methyl]-2,6-bis(1,1-dimethylethyl)phenoxy
Synonyms: Coppinger's radical; 2,6-di-tert-butyl-a-(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadiene-1-ylidene)-p-tolyloxy radical; 2,6,3￠,5￠-tetra-tert-butyl-4￠-phenoxy-4-methylene-2,5-cyclohexadiene-1-one radical
Molecular Formula: C29H41O2
Molecular Weight: 421.63
Percent Composition: C 82.61%, H 9.80%, O 7.59%
Literature References: Stable phenoxyl radical. Prepn: G. M. Coppinger, J. Am. Chem. Soc. 79, 501 (1957); M. S. Kharasch, B. S. Joshi, J. Org. Chem. 22, 1435 (1957). Radical scavenging study: P. D. Bartlett, T. Funahashi, J. Am. Chem. Soc. 84, 2596 (1962). Electrical properties: D. D. Eley et al., Trans. Faraday Soc. 62, 3192 (1966). Structure determn: D. E. Williams, Mol. Physics 16, 145 (1969). Resonance Raman study: G. N. R. Tripathi, Chem. Phys. Lett. 81, 375 (1981). Theoretical study of magnetic interactions: F. Dietz et al., J. Phys. Chem. B 102, 3912 (1998). Ab initio studies of ferromagnetic properties: S. J. Luo, K. L. Yao, J. Magn. Magnet. Mater. 257, 11 (2003). Use in detection of phospholipid phase transitions: M. A. Singer et al., Anal. Biochem. 94, 322 (1979). Use in measurement of hydrogen-donating activity and antioxidant activity in phenols: H. Shi et al., Methods Enzymol. 335, 157 (2001).
Properties: Deep blue needles from absolute ethanol, mp 157.5° (Kharasch, Joshi). Also reported as dark blue needles from dry ethanol, mp 153° (Eley). Absorption max (iso-octane): 280, 289, 400, 423 nm (e ′103 9.39, 9.4, 24.3, 180.0). Absorption max (benzene): 407 nm, 431 nm (e 30000, 154000). Absorption max (ethanol): 428 nm. Sol in petr ether, benzene, cyclohexane.
Melting point: mp 157.5° (Kharasch, Joshi); mp 153° (Eley)
Absorption maximum: Absorption max (iso-octane): 280, 289, 400, 423 nm (e ′103 9.39, 9.4, 24.3, 180.0); Absorption max (benzene): 407 nm, 431 nm (e 30000, 154000); Absorption max (ethanol): 428 nm
Use: Free radical scavenger.