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 9 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | C=CC1=CC=C(C=C1)S(=O)(=O)O |
|---|---|
| IUPAC Name | 4-ethenylbenzenesulfonic acid |
| InChIKey | MAGFQRLKWCCTQJ-UHFFFAOYSA-N |
| INCHI | 1S/C8H8O3S/c1-2-7-3-5-8(6-4-7)12(9,10)11/h2-6H,1H2,(H,9,10,11) |
| Isomeric SMILES | C=CC1=CC=C(C=C1)S(=O)(=O)O |
| Alternate CAS | 25704-18-1 |
| Molecular Weight | average Mw ~1,000,000，powder |
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 | Not available |
| Direct Parent | Benzenesulfonic acids and derivatives |
| Alternative Parents | Benzenesulfonyl compounds 1-sulfo,2-unsubstituted aromatic compounds Styrenes Sulfonyls Organosulfonic acids Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Benzenesulfonate - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Arylsulfonic acid or derivatives - Styrene - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as benzenesulfonic acids and derivatives. These are organic compounds containing a sulfonic acid or a derivative thereof that is linked to a 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 |
|---|---|---|---|
 G2509529 | Certificate of Analysis | Jul 12, 2025 | P340861 |
| G2509572 | Certificate of Analysis | Jul 12, 2025 | P340861 |
| G2509573 | Certificate of Analysis | Jul 12, 2025 | P340861 |
| E2210159 | Certificate of Analysis | Apr 18, 2025 | P340861 |
| B2324007 | Certificate of Analysis | Mar 06, 2023 | P340861 |
| G2212088 | Certificate of Analysis | Jul 14, 2022 | P340861 |
| G2321170 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| L2410031 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| L2308035 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| K2405084 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| J2330029 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| J2317114 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| I2220068 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| H2422007 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| E2420048 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| E2312230 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| E2210170 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| E2210164 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| E2210157 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| D2323909 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| D23141092 | Certificate of Analysis | Feb 19, 2022 | P340861 |
| Solubility | Insoluble in water. |
|---|---|
| Melt Point(°C) | 450 °C |
| Molecular Weight | 184.210 g/mol |
| XLogP3 | 1.400 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 184.019 Da |
| Monoisotopic Mass | 184.019 Da |
| Topological Polar Surface Area | 62.800 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 242.000 |
| 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. Hanwen Ren, Xiansu Liu, Shanshan Wei, Feijun Zhao, Zhencheng Chen, Haolin Xiao. (2023) An Electrochemical Immunosensor with PEDOT: PSS/MWCNTs-COOH Nanocomposites as a Modified Working Electrode Material for Detecting Tau-441. Chemosensors, 11 (12): (573). [PMID:] [10.3390/chemosensors11120573] |
| 2. Yong Wei, Chunbiao Liu, Yonghui Zhang, Chen Shi, Yixiong Tang, Chunlan Liu, Yudong Su, Chen Wang, Yu Zhang, Zhihai Liu. (2023) All-Fiber SPR Microfluidic Chip for Arctigenin Detection. IEEE SENSORS JOURNAL, 23 (12): (12838-12844). [PMID:] [10.1109/JSEN.2023.3269032] |
| 3. Yangkun Huang, Jinpeng Huang, Wenxiang Yin, Fei Xie, Benjamin Coleman, Yaoyu Cao, Satoshi Aya, Wei Zhu, Zhijie Yang, Lingxiang Jiang. (2023) Encoding Coacervate Droplets with Paramagnetism for Dynamical Reconfigurability and Spatial Addressability. ACS Nano, [PMID:36951305] [10.1021/acsnano.2c09617] |
| 4. Zhu Rufeng, Wang Yao, Tao Yang, Chen Yuanli, Wang Yuedan. (2023) Organic Electrochemical Transistor based on Polypyrrole/Crosslinked Chitosan/Nylon Fibers. JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION, 37 (6): (1080-1086). [PMID:] [10.1007/s11595-022-2637-5] |
| 5. Shengdong Pan, Jiabin Zhang, Qian He, Xiaohong Chen, Micong Jin. (2019) Fabrication of benzenesulfonic acid groups modified magnetic microspheres as an MSPE adsorbent for fast determination of paraquat and diquat in human urine combined with UPLC-HRMS. JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES, [PMID:31805401] [10.1016/j.jchromb.2019.121880] |
| 6. Wang Yueliang, Chen Xiying, Tao Zhanhui, Zhou Jingya, Sun Hanyue, Li Xian, Shi Liyu, Liu Yaqing. (2024) Persistent chemiluminescence-based nanosensor for portable point-of-care testing of H2O2. MICROCHIMICA ACTA, 191 (11): (1-9). [PMID:39466415] [10.1007/s00604-024-06794-3] |
| 7. Dan Luo, Lu Liu, Yuefeng Liu, Jun Li, Zhijie Li, Haibo Sun, Pengfei Peng, Yue Qiu, Yong Liu, Hao Liu. (2025) Rubbing resistant and rapid response multifunctional sweat sensor based on core-sheath structure yarns. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2025.165987] |
| 8. Guodong Liu, Yaoli Wang, Qingjun Meng, Zhijian Li, Zijian Wang, Zhuoqing Zhang, Hanbin Liu. (2024) All-in-one flexible paper-based self-powered energy and display system employing complementary properties of printed PEDOT:PSS/PANI:PSS dual-electrode with a dual-sided triboelectric nanogenerator. Nano Energy, [PMID:] [10.1016/j.nanoen.2024.109903] |
| 9. Guodong Liu, Tao Han, Hong Cao, Xiaohong Jiang, Wenliang Zhang, Hanbin Liu, Zhijian Li. (2026) Bidirectional Color Switching and Multimodal Energy Outputs Enabled by Synergistic Complementary Color Fusion and Inherent Potential Gradient in a Fully-Printed Tri-Electrode Electrochromic System. ADVANCED FUNCTIONAL MATERIALS, [PMID:] [10.1002/adfm.202528745] |
