2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid

Names

[ CAS No. ]:
483-20-5

[ Name ]:
2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid

[Synonym ]:
Indigodisulfonic acid
Saxon blue
Blue X
indigo carmine
5,5'-Indigotindisulfonic acid

[ Density]:
1.831g/cm3

[ Molecular Formula ]:
C₁₆H₁₀N₂O₈S₂

[ Molecular Weight ]:
422.38900

[ Exact Mass ]:
421.98800

[ PSA ]:
183.70000

[ LogP ]:
3.74580

[ Index of Refraction ]:
1.746