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4,4'-??(????)?????

4,4'-??(????)?????
4,4'-??(????)????? ??? ???
?? ??:
2635-26-9
???:
4,4'-??(????)?????
???(??):
4,4'-??(????)?????
???:
4,4'-BIS(HEPTYLOXY)AZOXYBENZENE
???(??):
HOAB;HpAB;p-Diheptyloxyazoxybenzene;4,4'-Diheptoxyazoxybenzene;4,4'-DIHEPTYLOXYAZOXYBENZENE;p,p'-Diheptyloxyazoxybenzene;p,p'-bis(heptyloxy)azoxybenzene;Azoxy-bis-(p-n-heptyloxybenzene;4,4'-BIS(HEPTYLOXY)AZOXYBENZENE;Azoxybenzene, 4,4'-bis(heptyloxy)-
CBNumber:
CB4409188
???:
C26H38N2O3
??? ??:
426.59
MOL ??:
2635-26-9.mol

4,4'-??(????)????? ??

???
73-122 °C
?? ?
542.01°C (rough estimate)
??
1.0930 (rough estimate)
???
1.5300 (estimate)
?? ??
Flammables area
EPA
Diazene, bis[4-(heptyloxy)phenyl]-, 1-oxide (2635-26-9)

??

??? ?? Xn-F
?? ???? ?? 36/37/38-20/22-11
????? 37/39-26-16

4,4'-??(????)????? C??? ??, ??, ??

??? ??

YELLOW FLAKES OR POWDER

Purification Methods

Purify azoxybenzene by chromatography on Al2O3 (*benzene), recrystallise it from hexane or 95% EtOH and dry it by heating under vacuum. The liquid crystals can be sublimed in vacuo. [Mellifiori et al. Spectrochim Acta Part A 37(A) 605 1981, Dewar & Schroeder J Am Chem Soc 86 5235 1964, Weygand & Glaber J Prakt Chem 155 332 1940, Beilstein 16 III 600, 16 IV 5264.]

4,4'-??(????)????? ?? ?? ? ???

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4,4'-??(????)????? ?? ??

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