4,4'-BIS(HEPTYLOXY)AZOXYBENZENE Chemical Properties

Melting point:

73-122 °C

Boiling point:

542.01°C (rough estimate)

Density 

1.0930 (rough estimate)

refractive index 

1.5300 (estimate)

storage temp. 

Flammables area

EPA Substance Registry System

Diazene, bis[4-(heptyloxy)phenyl]-, 1-oxide (2635-26-9)

Safety Information

Hazard Codes 

Xn-F

Risk Statements 

36/37/38-20/22-11

Safety Statements 

37/39-26-16

MSDS

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4,4'-BIS(HEPTYLOXY)AZOXYBENZENE Usage And Synthesis

Chemical Properties

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.]

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