CAS 28699-96-9: Indigotetrasulfonatetetrapotassiumsalt

Formula: C₁₆H₆K₄N₂O₁₄S₄

InChI: InChI=1/C16H10N2O14S4.4K/c19-15-7-1-5(33(21,22)23)3-9(35(27,28)29)11(7)17-13(15)14-16(20)8-2-6(34(24,25)26)4-10(12(8)18-14)36(30,31)32;;;;/h1-4,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29)(H,30,31,32);;;;/q;4*+1/p-4/b14-13+;;;;

Synonyms:

• Indigotetrasulfonate tetrapotassium salt
• tetrapotassium (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5',7,7'-tetrasulfonate

Indigotetrasulfonic Acid Tetrapotassium Salt

CAS: 28699-96-9

• Formula: C₁₆H₆K₄N₂O₁₄S₄
• Purity: >90.0%(HPLC)
• Color and Shape: Red to Dark blue to Black powder to crystal
• Molecular weight: 734.86

1H-Indoledisulfonic acid, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disulfo deriv., potassium salt (1:4)

CAS: 28699-96-9

• Formula: C₁₆H₆K₄N₂O₁₄S₄
• Purity: 90.0%
• Molecular weight: 734.877

Indigotetrasulfonic Acid Tetrapotassium Salt Hydrate

CAS: 28699-96-9

Indigotetrasulfonic acid tetrapotassium salt hydrate (ITSS) is a sulfonic acid that has been used as …

• Formula: C₁₆H₆K₄N₂O₁₄S₄·xH₂O
• Purity: Min. 95%
• Molecular weight: 734.86 g/mol