Direct Red 12B

disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonate

CAS: 5001-72-9

Molecular Formula	`C32H21N5Na2O8S2`
Molecular Weight	713.7 g/mol
Topological Polar Surface Area	233.0 A2
Hydrogen Bond Donors	3
Hydrogen Bond Acceptors	13
Rotatable Bonds	6
Exact Mass	713.0627
Heavy Atoms	49
Complexity	1200.0

Chemical Identifiers

CAS Number	5001-72-9
SMILES	`C1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]`
InChIKey	`OYUZMQYZGSMPII-UHFFFAOYSA-L`

📖 Product Overview

Direct Red 12B (CAS: 5001-72-9) is a chemical compound with molecular formula C32H21N5Na2O8S2 and molecular weight 713.7 g/mol. Its IUPAC systematic name is disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonate. Topological Polar Surface Area 233.0 A2 Hydrogen Bond Donors 3 Hydrogen Bond Acceptors 13 Rotatable Bonds 6 Exact Mass 713.0627 Heavy Atoms 49 Complexity 1200.0 InChI Key: OYUZMQYZGSMPII-UHFFFAOYSA-L. SMILES: C1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=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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Frequently Asked Questions

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We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.

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