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Biological Stain Biological Stain 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 76 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488182196 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488182196 |
| Sourires canoniques | C1=CC=C(C=C1)N=NC2=C(C=CC3=CC(=CC(=C32)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+] |
| IUPAC Name | disodium;7-hydroxy-8-phenyldiazenylnaphthalene-1,3-disulfonate |
| InChIKey | HSXUHWZMNJHFRV-UHFFFAOYSA-L |
| INCHI | 1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23,24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2 |
| Isomères SMILES | C1=CC=C(C=C1)N=NC2=C(C=CC3=CC(=CC(=C32)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+] |
| WGK Allemagne | 3 |
| RTECS | QJ6500000 |
| Poids moléculaire | 452.37 |
| Beilstein | 4120705 |
| Reaxy-Rn | 4120705 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4120705&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 |
| Classe | 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-naphthalene sulfonic acids and derivatives 1-naphthalene sulfonates 1-sulfo,2-unsubstituted aromatic compounds Phenoxides Sulfonyls Organosulfonic acids Azo compounds Propargyl-type 1,3-dipolar organic compounds Organooxygen compounds Organic sodium salts Organic oxides Hydrocarbon derivatives Organic cations |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 1-naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonate - 1-naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Phenoxide - Monocyclic benzene moiety - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic salt - Organic sodium salt - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Organic nitrogen compound - Organic oxygen 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 |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Article |
|---|---|---|---|
| Certificate of Analysis | Sep 01, 2026 | O100203 | |
| Certificate of Analysis | Jul 20, 2026 | O100203 | |
| Certificate of Analysis | Jul 20, 2026 | O100203 | |
| Certificate of Analysis | Jul 20, 2026 | O100203 | |
| Certificate of Analysis | Jul 20, 2026 | O100203 | |
| Certificate of Analysis | Sep 06, 2025 | O100203 | |
| Certificate of Analysis | Sep 06, 2025 | O100203 | |
| Certificate of Analysis | Sep 06, 2025 | O100203 | |
| Certificate of Analysis | Sep 06, 2025 | O100203 | |
| Certificate of Analysis | Jul 09, 2025 | O100203 | |
| Certificate of Analysis | Jun 16, 2025 | O100203 | |
| Certificate of Analysis | Jun 16, 2025 | O100203 | |
| Certificate of Analysis | Jun 16, 2025 | O100203 | |
| Certificate of Analysis | Jun 16, 2025 | O100203 | |
| Certificate of Analysis | Jun 16, 2025 | O100203 | |
| Certificate of Analysis | May 10, 2025 | O100203 | |
| Certificate of Analysis | May 10, 2025 | O100203 | |
| Certificate of Analysis | Sep 12, 2024 | O100203 | |
| Certificate of Analysis | Sep 12, 2024 | O100203 | |
| Certificate of Analysis | Sep 12, 2024 | O100203 | |
| Certificate of Analysis | Sep 12, 2024 | O100203 | |
| Certificate of Analysis | Jul 30, 2024 | O100203 | |
| Certificate of Analysis | Dec 08, 2023 | O100203 | |
| Certificate of Analysis | Jun 06, 2023 | O100203 | |
| Certificate of Analysis | Feb 16, 2023 | O100203 | |
| Certificate of Analysis | Jan 13, 2023 | O100203 | |
| Certificate of Analysis | Dec 15, 2022 | O100203 | |
| Certificate of Analysis | Dec 15, 2022 | O100203 | |
| Certificate of Analysis | Dec 15, 2022 | O100203 | |
| Certificate of Analysis | Dec 15, 2022 | O100203 | |
| Certificate of Analysis | Sep 07, 2021 | O100203 | |
| Certificate of Analysis | Sep 07, 2021 | O100203 | |
| Certificate of Analysis | Sep 07, 2021 | O100203 | |
| Certificate of Analysis | Sep 07, 2021 | O100203 | |
| Certificate of Analysis | Sep 07, 2021 | O100203 | |
| Certificate of Analysis | Sep 07, 2021 | O100203 |
| Sensibilité | Moisture sensitive. |
|---|---|
| Poids moléculaire | 452.400 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 2 |
| Exact Mass | 451.972 Da |
| Monoisotopic Mass | 451.972 Da |
| Topological Polar Surface Area | 176.000 Ų |
| Heavy Atom Count | 29 |
| Formal Charge | 0 |
| Complexity | 724.000 |
| 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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