≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488183587 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488183587 |
| Canonical Smiles | CC1=CC(=C(C=C1N=NC2=C(C3=CC=CC=C3C(=C2)S(=O)(=O)[O-])O)S(=O)(=O)[O-])C.[Na+].[Na+] |
| IUPAC Name | disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate |
| InChIKey | ONTQJDKFANPPKK-UHFFFAOYSA-L |
| INCHI | 1S/C18H16N2O7S2.2Na/c1-10-7-11(2)16(28(22,23)24)8-14(10)19-20-15-9-17(29(25,26)27)12-5-3-4-6-13(12)18(15)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2 |
| Isomeric SMILES | CC1=CC(=C(C=C1N=NC2=C(C3=CC=CC=C3C(=C2)S(=O)(=O)[O-])O)S(=O)(=O)[O-])C.[Na+].[Na+] |
| RTECS | QK2705000 |
| PubChem CID | 62542 |
| Molecular Weight | 480.42 |
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 | 1-naphthalene sulfonates |
| Alternative Parents | 1-naphthalene sulfonic acids and derivatives p-Methylbenzenesulfonates Naphthols and derivatives 1-sulfo,2-unsubstituted aromatic compounds Benzenesulfonyl compounds m-Xylenes Phenols Sulfonyls Organosulfonic acids Azo compounds Propargyl-type 1,3-dipolar organic compounds Organooxygen compounds Hydrocarbon derivatives Organic oxides Organic sodium salts Organic cations |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 1-naphthalene sulfonic acid or derivatives - 1-naphthalene sulfonate - P-methylbenzenesulfonate - 1-naphthol - Benzenesulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Benzenesulfonyl group - M-xylene - Xylene - Phenol - Monocyclic benzene moiety - Organosulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Organic sulfonic acid or derivatives - Azo compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic alkali metal salt - Organic nitrogen compound - Organic oxygen compound - Organic salt - Organic sodium salt - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organic cation - Aromatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as 1-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D23261251 | Certificate of Analysis | Feb 04, 2026 | P303750 |
| I2220659 | Certificate of Analysis | Jul 10, 2025 | P303750 |
| I2220667 | Certificate of Analysis | Jul 10, 2025 | P303750 |
| A2411746 | Certificate of Analysis | Dec 29, 2023 | P303750 |
| A2411747 | Certificate of Analysis | Dec 29, 2023 | P303750 |
| Solubility | Soluble in water; Slightly soluble in Ethanol |
|---|---|
| Sensitivity | Hygroscopic |
| Molecular Weight | 480.400 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 2 |
| Exact Mass | 480.004 Da |
| Monoisotopic Mass | 480.004 Da |
| Topological Polar Surface Area | 176.000 Ų |
| Heavy Atom Count | 31 |
| Formal Charge | 0 |
| Complexity | 791.000 |
| 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 |
