483-20-5 2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid
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cas

483-20-5 2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid

product Name 2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid
Synonyms Indigotindisulfonate; 5,5'-Indigotindisulfonic acid; Indigocarmine [JAN]; Blue X; Indigocarmine; Indigotindisulfonic acid; Saxon blue; 2-(1,3-Dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid; (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5'-disulfonic acid
Molecular Formula C16H10N2O8S2
Molecular Weight 422.3892
InChI InChI=1/C16H10N2O8S2/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14/h1-6,17-18H,(H,21,22,23)(H,24,25,26)/b14-13+
CAS Registry Number 483-20-5
EINECS 207-593-7
Molecular Structure 483-20-5 2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid
Density 1.831g/cm3
Refractive index 1.746
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Safety Description
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