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

Modify Date: 2025-08-26 16:06:23

2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid structure	Common Name	2-(1,3-dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid
	CAS Number	483-20-5	Molecular Weight	422.38900
	Density	1.831g/cm3	Boiling Point	N/A
	Molecular Formula	C₁₆H₁₀N₂O₈S₂	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	3-oxo-2-(3-oxo-5-sulfo-1H-indol-2-ylidene)-1H-indole-5-sulfonic acid
Synonym	More Synonyms

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
InChIKey	JMEVHYCNAPFOAB-UHFFFAOYSA-N
SMILES	O=C1C(c2[nH]c3ccc(S(=O)(=O)O)cc3c2O)=Nc2ccc(S(=O)(=O)O)cc21

Precursor 0
DownStream 2
CAS#:3577-63-7 2-Amino-5-sulfo... CAS#:98-43-1 2-Amino-4-sulfo...

Indigodisulfonic acid

Saxon blue

Blue X

indigo carmine

5,5'-Indigotindisulfonic acid

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