Determine the necessary mass, volume, or concentration for preparing a solution.
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≥98%(HPLC) 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488186038 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488186038 |
| Canonical Smiles | C1=CC(=C(C=C1S(=O)(=O)C2=CC(=C(C=C2)O)N)N)O |
| IUPAC Name | 2-amino-4-(3-amino-4-hydroxyphenyl)sulfonylphenol |
| InChIKey | KECOIASOKMSRFT-UHFFFAOYSA-N |
| INCHI | 1S/C12H12N2O4S/c13-9-5-7(1-3-11(9)15)19(17,18)8-2-4-12(16)10(14)6-8/h1-6,15-16H,13-14H2 |
| Isomeric SMILES | C1=CC(=C(C=C1S(=O)(=O)C2=CC(=C(C=C2)O)N)N)O |
| Molecular Weight | 280.3 |
| Beilstein | 13(4)2561 |
| Reaxy-Rn | 2750060 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2750060&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 | Benzene and substituted derivatives |
| Subclass | Benzenesulfonyl compounds |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Benzenesulfonyl compounds |
| Alternative Parents | o-Aminophenols Aniline and substituted anilines 1-hydroxy-2-unsubstituted benzenoids Sulfones Primary amines Organopnictogen compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Benzenesulfonyl group - Aminophenol - O-aminophenol - Aniline or substituted anilines - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Sulfone - Sulfonyl - Amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Primary amine - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as benzenesulfonyl compounds. These are aromatic compounds containing a benzenesulfonyl group, which consists of a monocyclic benzene moiety that carries a sulfonyl group. |
| 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 | Item |
|---|---|---|---|
| Certificate of Analysis | Oct 14, 2025 | B136031 | |
| Certificate of Analysis | Jul 15, 2025 | B136031 | |
| Certificate of Analysis | Jul 15, 2025 | B136031 | |
| Certificate of Analysis | Jul 15, 2025 | B136031 | |
| Certificate of Analysis | Mar 05, 2025 | B136031 | |
| Certificate of Analysis | Feb 08, 2025 | B136031 | |
| Certificate of Analysis | Feb 07, 2025 | B136031 | |
| Certificate of Analysis | Feb 07, 2025 | B136031 | |
| Certificate of Analysis | Feb 07, 2025 | B136031 | |
| Certificate of Analysis | Feb 07, 2025 | B136031 | |
| Certificate of Analysis | Feb 07, 2025 | B136031 | |
| Certificate of Analysis | Feb 07, 2025 | B136031 | |
| Certificate of Analysis | Feb 13, 2023 | B136031 | |
| Certificate of Analysis | May 07, 2022 | B136031 |
| Solubility | Slightly soluble in methanol |
|---|---|
| Melt Point(°C) | 231°C |
| Molecular Weight | 280.300 g/mol |
| XLogP3 | 0.600 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 2 |
| Exact Mass | 280.052 Da |
| Monoisotopic Mass | 280.052 Da |
| Topological Polar Surface Area | 135.000 Ų |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Complexity | 376.000 |
| 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 |
| 1. Chengbao Geng, Pei Huang, Fangbo Zhao, Hongxing Dong, Hongyan Niu, Yue Zhou, Jun Shen, Jiaming Zhang. (2021) Enhancing the long-term separation stability of TFC membrane by the covalent bond between synthetic amino-substituted polyethersulfone substrate and polyamide layer. JOURNAL OF MEMBRANE SCIENCE, [PMID:] [10.1016/j.memsci.2021.119637] |