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hydroxynaphthol blue

Structure via PubChem · Public domain (PubChem)

EntityQ3641126· pop 11· linked from 3 articles

hydroxynaphthol blue

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Also known as HNB

chemical compound

Chemical data

Formula
C20H11N2Na3O11S3
Molecular weight
620.5 g/mol
IUPAC name
trisodium;3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonate
SMILES
C1=CC=C\2C(=C1)C(=CC(=O)/C2=N\NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChIKey
JQECMNGWLIFQLL-QRQZZYIYSA-K
Polar surface area
258 Ų
H-bond donors
2
H-bond acceptors
13
Formal charge
0

via PubChem

Wikidata facts

Mass
619.9218050119999
Show 4 more facts
chemical formula
C₂₀H₁₁N₂Na₃O₁₁S₃
canonical SMILES
O=S(C(C=C4)=CC1=C4C(/N=N/C2=C3C(C=CC=C3)=C(S(=O)(O[Na])=O)C=C2O)=C(O)C(S(=O)(O[Na])=O)=C1)(O[Na])=O
Commons category
Hydroxynaphthol blue
isomeric SMILES
O=C1C=C(S(=O)(=O)[O-])c2ccccc2/C1=N/Nc1c([O-])c(S(=O)(=O)O)cc2cc(S(=O)(=O)[O-])ccc12.[Na+].[Na+].[Na+]
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