Determine the necessary mass, volume, or concentration for preparing a solution.
Strength 100 for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 28 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Direct red 23 is an azo dye that has been used as a model compound in adsorption studies. As a model compound in adsorption studies, Direct red 23 has been utilized to compare efficacy of textile dye removal in aqueous solutions.|Other direct dyes offered include:|Direct Red 80 , Direct Red 81 , Direct Yellow 27 , Direct yellow 50 , Direct Blue 15 , Direct Blue 71 and Direct Violet 51 .
| Pubchem Sid | 488202905 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488202905 |
| Canonical Smiles | CC(=O)NC1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+] |
| IUPAC Name | disodium;7-[[6-[(4-acetamidophenyl)diazenyl]-5-hydroxy-7-sulfonatonaphthalen-2-yl]carbamoylamino]-4-hydroxy-3-phenyldiazenylnaphthalene-2-sulfonate |
| InChIKey | NLMHXPDMNXMQBY-UHFFFAOYSA-L |
| INCHI | 1S/C35H27N7O10S2.2Na/c1-19(43)36-22-7-9-24(10-8-22)40-42-32-30(54(50,51)52)18-21-16-26(12-14-28(21)34(32)45)38-35(46)37-25-11-13-27-20(15-25)17-29(53(47,48)49)31(33(27)44)41-39-23-5-3-2-4-6-23;;/h2-18,44-45H,1H3,(H,36,43)(H2,37,38,46)(H,47,48,49)(H,50,51,52);;/q;2*+1/p-2 |
| Isomeric SMILES | CC(=O)NC1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+] |
| WGK Germany | 2 |
| RTECS | QK1237500 |
| Molecular Weight | 813.72 |
| Reaxy-Rn | 8535241 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8535241&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Naphthalenes |
| Subclass | Naphthalene sulfonic acids and derivatives |
| Intermediate Tree Nodes | Naphthalene sulfonates |
| Direct Parent | 2-naphthalene sulfonates |
| Alternative Parents | 2-naphthalene sulfonic acids and derivatives Acetanilides 1-sulfo,2-unsubstituted aromatic compounds N-acetylarylamines Phenoxides Sulfonyls Acetamides Organosulfonic acids Ureas Secondary carboxylic acid amides Azo compounds Propargyl-type 1,3-dipolar organic compounds Carbonyl compounds Organic sodium salts Hydrocarbon derivatives Organic oxides Organic cations |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 2-naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - Acetanilide - Arylsulfonic acid or derivatives - N-acetylarylamine - Anilide - 1-sulfo,2-unsubstituted aromatic compound - N-arylamide - Phenoxide - Monocyclic benzene moiety - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Acetamide - Sulfonyl - Secondary carboxylic acid amide - Azo compound - Carboxamide group - Urea - Carboxylic acid derivative - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic salt - Organic sodium salt - Carbonyl group - Hydrocarbon derivative - Organic oxide - Organic cation - Aromatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring. |
| External Descriptors | Not available |
| Solubility | Soluble in water. |
|---|---|
| Molecular Weight | 813.700 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 14 |
| Rotatable Bond Count | 7 |
| Exact Mass | 813.09 Da |
| Monoisotopic Mass | 813.09 Da |
| Topological Polar Surface Area | 291.000 Ų |
| Heavy Atom Count | 56 |
| Formal Charge | 0 |
| Complexity | 1560.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 3 |
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