1-Naphthalenesulfonic acid, 8,8'-((1,1'-biphenyl)-4,4'-diylbis(2,1-diazenediyl))bis(7-hydroxy-, sodium salt (1:2)

disodium;7-hydroxy-8-[[4-[4-[(2-hydroxy-8-sulfonatonaphthalen-1-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate

CAS: 2302-97-8

Molecular Formula	`C32H20N4Na2O8S2`
Molecular Weight	698.6 g/mol
Topological Polar Surface Area	221.0 A2
Hydrogen Bond Donors	2
Hydrogen Bond Acceptors	12
Rotatable Bonds	5
Exact Mass	698.0518
Heavy Atoms	48
Complexity	1180.0

Chemical Identifiers

CAS Number	2302-97-8
SMILES	`C1=CC2=C(C(=C1)S(=O)(=O)[O-])C(=C(C=C2)O)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C=CC6=C5C(=CC=C6)S(=O)(=O)[O-])O.[Na+].[Na+]`
InChIKey	`QOSNOLXFOYXABU-UHFFFAOYSA-L`

📖 Product Overview

1-Naphthalenesulfonic acid, 8,8'-((1,1'-biphenyl)-4,4'-diylbis(2,1-diazenediyl))bis(7-hydroxy-, sodium salt (1:2) (CAS: 2302-97-8) is a chemical compound with molecular formula C32H20N4Na2O8S2 and molecular weight 698.6 g/mol. Its IUPAC systematic name is disodium;7-hydroxy-8-[[4-[4-[(2-hydroxy-8-sulfonatonaphthalen-1-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate. Topological Polar Surface Area 221.0 A2 Hydrogen Bond Donors 2 Hydrogen Bond Acceptors 12 Rotatable Bonds 5 Exact Mass 698.0518 Heavy Atoms 48 Complexity 1180.0 InChI Key: QOSNOLXFOYXABU-UHFFFAOYSA-L. SMILES: C1=CC2=C(C(=C1)S(=O)(=O)[O-])C(=C(C=C2)O)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C=CC6=C5C(=CC=C6)S(=O)(=O)[O-])O.[Na+].[Na+].

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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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Multi-source research profile: chemical properties, regulatory status, and sourcing guide for 1-Naphthalenesulfonic acid, 8,8'-((1,1'-biphenyl)-4,4'-diylbis(2,1-diazenediyl))bis(7-hydroxy-, sodium salt (1:2).

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