Benzoic acid,5-[2-[4'-[2-[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-,sodium salt (1:2)

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Names

[ Name ]:
Benzoic acid,5-[2-[4'-[2-[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-,sodium salt (1:2)

[Synonym ]:
C.I. Direct Orange 31
Direct Orange 31

Chemical & Physical Properties

[ Density]:
1.46g/cm3

[ Molecular Formula ]:
C₃₁H₂₆N₆NaO₇S+

[ Molecular Weight ]:
649.62900

[ Exact Mass ]:
649.14800

[ PSA ]:
202.39000

[ LogP ]:
7.49270

[ Index of Refraction ]:
1.703