Analytical Reagent for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light 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.
| Canonical Smiles | C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)O)O)S(=O)(=O)O |
|---|---|
| IUPAC Name | 4,5-dihydroxynaphthalene-2,7-disulfonic acid |
| InChIKey | HLVXFWDLRHCZEI-UHFFFAOYSA-N |
| INCHI | 1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18) |
| Isomeric SMILES | C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)O)O)S(=O)(=O)O |
| PubChem CID | 67221 |
| Molecular Weight | 320.3 |
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 Naphthols and derivatives 1-sulfo,2-unsubstituted aromatic compounds 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Sulfonyls Organosulfonic acids Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 2-naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - 1-naphthol - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Organic sulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic oxygen compound - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organic oxide - 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 | naphthalenesulfonic acid - naphthalenediols |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 B2308455 | Certificate of Analysis | Nov 11, 2024 | C108491 |
| C2308399 | Certificate of Analysis | Mar 14, 2023 | C108491 |
| B2308155 | Certificate of Analysis | Feb 11, 2023 | C108491 |
| B2308459 | Certificate of Analysis | Feb 11, 2023 | C108491 |
| F23171135 | Certificate of Analysis | Sep 21, 2022 | C108491 |
| L2009224 | Certificate of Analysis | Sep 21, 2022 | C108491 |
| G2308192 | Certificate of Analysis | Sep 21, 2022 | C108491 |
| L2009223 | Certificate of Analysis | Sep 21, 2022 | C108491 |
| Sensitivity | Light sensitive. |
|---|---|
| Molecular Weight | 320.300 g/mol |
| XLogP3 | 0.500 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 2 |
| Exact Mass | 319.966 Da |
| Monoisotopic Mass | 319.966 Da |
| Topological Polar Surface Area | 166.000 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 507.000 |
| 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 |
