Determine the necessary mass, volume, or concentration for preparing a solution.
≥97%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C,Argon charged Ships Ice chest + Ice pads 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.
application:
8-Amino-2-naphthalenesulfonic acid can be used as a reactant to synthesize:
Fe3O4/sulfonated polyaniline composite material via chemical oxidative polymerization with aniline in the presence of magnetite (Fe3O4) nanoparticles.
Prismatic crystals of strychnine-8-ammonio-2-naphthalenesulfonate-water by heating with strychnine in water/ethanol solvent mixture.
5-amino-9-dialkylamino benzo[a]phenoxazine dyes (Nile blue analogs) by condensation with N-alkyl or N-sulfo-propyl 4-arylazo-substituted 3-hydroxyaniline.
| Canonical Smiles | C1=CC2=C(C=C(C=C2)S(=O)(=O)O)C(=C1)N |
|---|---|
| IUPAC Name | 8-aminonaphthalene-2-sulfonic acid |
| InChIKey | QEZZCWMQXHXAFG-UHFFFAOYSA-N |
| INCHI | 1S/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14) |
| Isomeric SMILES | C1=CC2=C(C=C(C=C2)S(=O)(=O)O)C(=C1)N |
| WGK Germany | 2 |
| UN Number | 2585 |
| Packing Group | III |
| Molecular Weight | 223.25 |
| Beilstein | 2115630 |
| Reaxy-Rn | 2115629 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2115629&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 1-sulfo,2-unsubstituted aromatic compounds Sulfonyls Organosulfonic acids Primary amines Organopnictogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 2-naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Primary amine - Organosulfur compound - Organonitrogen compound - Organic nitrogen compound - 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 |
|---|---|---|---|
| Certificate of Analysis | Oct 13, 2025 | A151596 | |
| Certificate of Analysis | Oct 13, 2025 | A151596 | |
| Certificate of Analysis | Oct 13, 2025 | A151596 | |
| Certificate of Analysis | Aug 05, 2025 | A151596 | |
| Certificate of Analysis | Aug 05, 2025 | A151596 | |
| Certificate of Analysis | Jul 29, 2025 | A151596 | |
| Certificate of Analysis | Apr 28, 2024 | A151596 | |
| Certificate of Analysis | Dec 27, 2021 | A151596 | |
| Certificate of Analysis | Dec 27, 2021 | A151596 | |
| Certificate of Analysis | Dec 27, 2021 | A151596 | |
| Certificate of Analysis | Dec 27, 2021 | A151596 | |
| Certificate of Analysis | Dec 27, 2021 | A151596 | |
| Certificate of Analysis | Dec 27, 2021 | A151596 |
| Solubility | Aqueous Base (Slightly), DMSO (Slightly, Sonicated) |
|---|---|
| Melt Point(°C) | ≥300 °C |
| Molecular Weight | 223.250 g/mol |
| XLogP3 | 1.200 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 223.03 Da |
| Monoisotopic Mass | 223.03 Da |
| Topological Polar Surface Area | 88.800 Ų |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Complexity | 322.000 |
| 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 | 1 |