≥90% 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.
Reagent for the determination of thorium. Indicator used in the titrimetric determination of organic sulfur compounds and sulfate with Ba(ClO4)2.
Reagent for the determination of thorium. Indicator used in the titrimetric determination of organic sulfur compounds and sulfate with Ba(ClO4)2.
| Pubchem Sid | 504755162 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504755162 |
| Canonical Smiles | C1=CC=C(C(=C1)N=NC2=C3C=CC(=CC3=CC(=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-])[As](=O)(O)O.[Na+].[Na+] |
| IUPAC Name | disodium;4-[(2-arsonophenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonate |
| InChIKey | DCSRPHQBFSYJNN-UHFFFAOYSA-L |
| INCHI | 1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,20H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2 |
| Isomeric SMILES | C1=CC=C(C(=C1)N=NC2=C3C=CC(=CC3=CC(=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-])[As](=O)(O)O.[Na+].[Na+] |
| PubChem CID | 77269 |
| UN Number | 1557 |
| Molecular Weight | 576.30 |
| Beilstein | 2957648 |
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 1-sulfo,2-unsubstituted aromatic compounds Phenoxides Pentaorganoarsanes Sulfonyls Organosulfonic acids Azo compounds Sulfur-containing organoarsenic compounds Propargyl-type 1,3-dipolar organic compounds Oxygen-containing organoarsenic compounds Organic metalloid salts Organooxygen compounds Hydrocarbon derivatives Organic oxides Organic sodium salts Organic cations |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 2-naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Phenoxide - Monocyclic benzene moiety - Pentaorganoarsane - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Oxygen-containing organoarsenic compound - Sulfur-containing organoarsenic compound - Organic alkali metal salt - Organic metalloid salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic oxygen compound - Hydrocarbon derivative - Organic nitrogen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Organic sodium salt - Organic salt - Organic metalloid moeity - Organoarsenic compound - 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 |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 H2218424 | Certificate of Analysis | Jun 08, 2026 | T104944 |
| A2207059 | Certificate of Analysis | Oct 13, 2025 | T104944 |
| A2612137 | Certificate of Analysis | Jul 15, 2022 | T104944 |
| B2519095 | Certificate of Analysis | Jul 15, 2022 | T104944 |
| E2521017 | Certificate of Analysis | Jul 15, 2022 | T104944 |
| L2416743 | Certificate of Analysis | Jul 15, 2022 | T104944 |
| B2226621 | Certificate of Analysis | Dec 27, 2021 | T104944 |
| Solubility | Soluble in water. |
|---|---|
| Sensitivity | moisture sensitive |
| Melt Point(°C) | >300℃ |
| Molecular Weight | 576.300 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 3 |
| Exact Mass | 575.887 Da |
| Monoisotopic Mass | 575.887 Da |
| Topological Polar Surface Area | 234.000 Ų |
| Heavy Atom Count | 33 |
| Formal Charge | 0 |
| Complexity | 912.000 |
| 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 |
