Rifa Cationic Red 6B structure

Rifa Cationic Red 6B

disodium;4-hydroxy-5-[(4-methylphenyl)sulfonylamino]-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate

Also Known As: Rifa Cationic Red 6B|C.I. Acid Red 76, disodium salt|C.I.18115|Disodium 4-hydroxy-3-((4-nitrophenyl)azo)-5-(((p-tolyl)sulphonyl)amino)naphthalene-2,7-disulphonate|2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-(((4-methylphenyl)sulfonyl)amino)-3-((4-nitrophenyl)azo)-, disodium salt|2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-(((4-methylphenyl)sulfonyl)amino)-3-(2-(4-nitrophenyl)diazenyl)-, sodium salt (1:2)|2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-3-[(4-nitrophenyl)azo]-, disodium salt|Disodium 4-hydroxy-3-[(4-nitrophenyl)azo]-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate|disodium4-hydroxy-3-[ azo]-5-[[ sulphonyl]amino]naphthalene-2,7-disulphonate|229-232-2|disodium (3Z)-5-[(4-methylphenyl)sulfonylamino]-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate|Disodium 4-hydroxy-5-(4-methylbenzene-1-sulfonamido)-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate|disodium,(3Z)-5-[(4-methylphenyl)sulfonylamino]-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate

CAS: 6441-94-7
Molecular Formula C23H16N4Na2O11S3
Molecular Weight 665.9773 g/mol
LogP -2.20558
Topological Polar Surface Area 276.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 14
Rotatable Bonds 5
Exact Mass 665.9773
Monoisotopic Mass 665.9773
Heavy Atoms 43
Complexity 1260.0

Chemical Identifiers

CAS Number 6441-94-7
SMILES CC1=CC=C(C=C1)S(=O)(=O)NC2=C3C(=CC(=C2)S(=O)(=O)[O-])C=C(C(=C3O)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
InChIKey KCFUJWVLRDYRAK-UHFFFAOYSA-L

Product Overview

Rifa Cationic Red 6B (CAS 6441-94-7), with molecular formula C23H16N4Na2O11S3 and molecular weight 665.9773 g/mol. IUPAC: disodium;4-hydroxy-5-[(4-methylphenyl)sulfonylamino]-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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