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)
Names
[ CAS No. ]:
6420-03-7
[ 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