Chromotrope 2B

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

CAS: 548-80-1

Molecular Formula	`C16H9N3Na2O10S2`
Molecular Weight	513.4 g/mol
Topological Polar Surface Area	242.0 A2
Hydrogen Bond Donors	2
Hydrogen Bond Acceptors	12
Rotatable Bonds	2
Exact Mass	512.95245
Heavy Atoms	33
Complexity	873.0

Chemical Identifiers

CAS Number	548-80-1
SMILES	`C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]`
InChIKey	`AXUUHWJXDWBCSG-UHFFFAOYSA-L`

📖 Product Overview

Chromotrope 2B (CAS: 548-80-1) is a chemical compound with molecular formula C16H9N3Na2O10S2 and molecular weight 513.4 g/mol. Its IUPAC systematic name is disodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate. Topological Polar Surface Area 242.0 A2 Hydrogen Bond Donors 2 Hydrogen Bond Acceptors 12 Rotatable Bonds 2 Exact Mass 512.95245 Heavy Atoms 33 Complexity 873.0 InChI Key: AXUUHWJXDWBCSG-UHFFFAOYSA-L. SMILES: C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=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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