Determine the necessary mass, volume, or concentration for preparing a solution.
for electrophoresis, ≥99% Suitable for electrophoresis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Desiccated,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 26 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | C1=CC(=C(C=C1S(=O)(=O)O)C(=O)O)O.O.O |
|---|---|
| IUPAC Name | 2-hydroxy-5-sulfobenzoic acid;dihydrate |
| InChIKey | BHDKTFQBRFWJKR-UHFFFAOYSA-N |
| INCHI | 1S/C7H6O6S.2H2O/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10;;/h1-3,8H,(H,9,10)(H,11,12,13);2*1H2 |
| Isomeric SMILES | C1=CC(=C(C=C1S(=O)(=O)O)C(=O)O)O.O.O |
| WGK Germany | 3 |
| Alternate CAS | 97-05-2 |
| PubChem CID | 2723734 |
| Molecular Weight | 254.21 |
| Beilstein | 650741 |
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 | Benzenesulfonic acids and derivatives |
| Intermediate Tree Nodes | Sulfobenzoic acids |
| Direct Parent | 3-sulfobenzoic acids |
| Alternative Parents | Sulfosalicylic acids and derivatives Salicylic acids Benzoic acids Benzenesulfonyl compounds 1-sulfo,2-unsubstituted aromatic compounds Benzoyl derivatives 1-hydroxy-2-unsubstituted benzenoids Vinylogous acids Sulfonyls Organosulfonic acids Monocarboxylic acids and derivatives Carboxylic acids Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | 3-sulfobenzoic acid - Sulfosalicylic acid or derivatives - Hydroxybenzoic acid - Salicylic acid or derivatives - Salicylic acid - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Benzoic acid or derivatives - Benzoic acid - Arylsulfonic acid or derivatives - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Vinylogous acid - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Organosulfur compound - Organic oxide - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as 3-sulfobenzoic acids. These are sulfobenzoic acid carrying the sulfonyl group at the 3-position of the benzene group. |
| 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 | May 19, 2026 | S112089 | |
| Certificate of Analysis | Nov 11, 2025 | S112089 | |
| Certificate of Analysis | Nov 10, 2025 | S112089 | |
| Certificate of Analysis | Jul 31, 2023 | S112089 | |
| Certificate of Analysis | Jan 12, 2023 | S112089 | |
| Certificate of Analysis | Jan 12, 2023 | S112089 | |
| Certificate of Analysis | Jan 12, 2023 | S112089 | |
| Certificate of Analysis | Aug 15, 2022 | S112089 | |
| Certificate of Analysis | May 26, 2022 | S112089 |
| Sensitivity | Light Sensitive |
|---|---|
| Melt Point(°C) | 106 - 110 °C |
| Molecular Weight | 254.220 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 2 |
| Exact Mass | 254.01 Da |
| Monoisotopic Mass | 254.01 Da |
| Topological Polar Surface Area | 122.000 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 316.000 |
| 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 |
| 1. Jinyu Li, Yunjiao Ma, Feng Xiao, Baoshang Fu, Xianbing Xu. (2023) Formation and conversion of flavour related compounds of thermal cooked Ruditapes philippinarum soup. INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, 58 (12): (6421-6431). [PMID:] [10.1111/ijfs.16753] |
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| 3. Yongqing Liang, Jian Li, Yanjun Zhao. (2023) Poly(sulfosalicylic acid)/multi-walled Carbon Nanotube Modified Electrode for the Electrochemical Detection of Catechol. International Journal of Electrochemical Science, [PMID:] [10.20964/2017.10.20] |
| 4. Shanghao Wu, Jinke Wang, Tong Liu, Xin Guo, Lingwei Ma. (2023) Sulfosalicylic acid modified carbon dots as effective corrosion inhibitor and fluorescent corrosion indicator for carbon steel in HCl solution. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2023.130951] |
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