3-Sulfopropyl methacrylate potassium salt - ≥96% , CAS No.31098-21-2

CAS: 31098-21-2 Cat. No.: S107131 Molecular Weight: 246.32 EC Number: 250-466-6 PubChem CID: 23682747
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
3-SULFOPROPYL METHACRYLATE POTASSIUM | potassium;3-(2-methylprop-2-enoyloxy)propane-1-sulfonate | DB14491 | 3-Sulfopropyl methacrylate potassium salt 100 microg/mL in Acetonitrile | 3-Sulfopropyl methacrylate,potassium salt | Q27252413 | Methacrylic Acid
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
S107131-5g
9

$10.90

$16.90
Save $6.00 (35.50%)
25g
S107131-25g
≥10

$31.90

$47.90
Save $16.00 (33.40%)
100g
S107131-100g
≥10

$82.90

$124.90
Save $42.00 (33.63%)
500g
S107131-500g
1

$321.90

$482.90
Save $161.00 (33.34%)
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 29 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
3-SULFOPROPYL METHACRYLATE POTASSIUM | potassium;3-(2-methylprop-2-enoyloxy)propane-1-sulfonate | DB14491 | 3-Sulfopropyl methacrylate potassium salt 100 microg/mL in Acetonitrile | 3-Sulfopropyl methacrylate, potassium salt | Q27252413 | Methacrylic Acid
Specifications & Purity
≥96%
Storage
Room temperature
Shipped In
Normal
Purity
≥96%
Names and Identifiers
Pubchem Sid488200517
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200517
Canonical SmilesCC(=C)C(=O)OCCCS(=O)(=O)[O-].[K+]
IUPAC Namepotassium;3-(2-methylprop-2-enoyloxy)propane-1-sulfonate
InChIKeyPNOXUQIZPBURMT-UHFFFAOYSA-M
INCHI1S/C7H12O5S.K/c1-6(2)7(8)12-4-3-5-13(9,10)11;/h1,3-5H2,2H3,(H,9,10,11);/q;+1/p-1
Isomeric SMILES CC(=C)C(=O)OCCCS(=O)(=O)[O-].[K+]
WGK Germany 3
PubChem CID 23682747
Molecular Weight 246.32
Reaxy-Rn 10491032

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic sulfonic acids and derivatives
SubclassOrganosulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentOrganosulfonic acids
Alternative Parents Sulfonyls  Enoate esters  Alkanesulfonic acids  Monocarboxylic acids and derivatives  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Organic cations  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organosulfonic acid - Sulfonyl - Alkanesulfonic acid - Enoate ester - Alpha,beta-unsaturated carboxylic ester - Carboxylic acid ester - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organic alkali metal salt - Hydrocarbon derivative - Organic oxide - Organosulfur compound - Organooxygen compound - Carbonyl group - Organic oxygen compound - Organic potassium salt - Organic salt - Organic cation - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organosulfonic acids. These are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

22 results found

Lot NumberCertificate TypeDateItem
E2413093Certificate of AnalysisFeb 04, 2026 S107131
E2508253Certificate of AnalysisMay 10, 2025 S107131
G2327043Certificate of AnalysisMay 09, 2025 S107131
H2526820Certificate of AnalysisMay 08, 2025 S107131
H2515509Certificate of AnalysisMay 08, 2025 S107131
H2515508Certificate of AnalysisMay 08, 2025 S107131
B2323420Certificate of AnalysisNov 11, 2024 S107131
B2323411Certificate of AnalysisNov 11, 2024 S107131
B2323414Certificate of AnalysisNov 11, 2024 S107131
B2323416Certificate of AnalysisNov 11, 2024 S107131
G2411090Certificate of AnalysisJun 17, 2024 S107131
G2411087Certificate of AnalysisJun 17, 2024 S107131
G2411086Certificate of AnalysisJun 17, 2024 S107131
L2130062Certificate of AnalysisOct 24, 2023 S107131
L2130087Certificate of AnalysisOct 24, 2023 S107131
J2126869Certificate of AnalysisAug 04, 2023 S107131
J2126870Certificate of AnalysisAug 04, 2023 S107131
J2126871Certificate of AnalysisAug 04, 2023 S107131
J2127011Certificate of AnalysisAug 04, 2023 S107131
B2323421Certificate of AnalysisDec 30, 2022 S107131
J1513023Certificate of AnalysisFeb 17, 2022 S107131
E1810137Certificate of AnalysisJan 12, 2022 S107131

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Chemical and Physical Properties
Melt Point(°C)295°C
Molecular Weight246.320 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count6
Exact Mass245.996 Da
Monoisotopic Mass245.996 Da
Topological Polar Surface Area91.900 Ų
Heavy Atom Count14
Formal Charge0
Complexity290.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Ximan Bu, Linlin Wu, Xiaofeng Ma, Wenjing Diao, Duyou Lu.  (2023)  Ultratough and Reversibly Stretchable Zwitterionic poly(ionic liquid) Copolymer Hydrogel with High Ionic Conductivity for High-Performance Flexible and Cold-Resistant Supercapacitor.  International Journal of Electrochemical Science,      [PMID:] [10.20964/2020.03.66]
2. Fen Xiao, Pengshuo Zheng, Jianxin Tang, Xin Huang, Wenji Kang, Guiyin Zhou, Kehui Sun.  (2023)  Cartilage-bioinspired, tough and lubricated hydrogel based on nanocomposite enhancement effect.  Journal of Materials Chemistry B,  11  (21): (4763-4775).  [PMID:37183499] [10.1039/D3TB00364G]
3. Shi Yingkun, Wu Baohu, Sun Shengtong, Wu Peiyi.  (2023)  Aqueous spinning of robust, self-healable, and crack-resistant hydrogel microfibers enabled by hydrogen bond nanoconfinement.  Nature Communications,  14  (1): (1-13).  [PMID:36914648] [10.1038/s41467-023-37036-4]
4. Bingsen Wang, Haotian Zhang, Nan He, Haonan Wang, Bo Jiang, Dawei Tang, Lin Li.  (2023)  Mangrove root-inspired evaporator enables high-rate salt-resistant solar desalination.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2023.123490]
5. Huijing Li, Long Li, Hao Zhang, Junjie Wei, Zhenyu Xu, Tao Chen.  (2023)  Cell Differentiation-Inspired, Salt-Induced Multifunctional Gels for an Intelligent Soft Robot with an Artificial Reflex Arc.  ACS Applied Materials & Interfaces,      [PMID:36657404] [10.1021/acsami.2c20172]
6. Jiehan Lin, Yi Han, Yande Cui, Wei Zhao, Chunyu Chang.  (2022)  Ionic coordination strengthening of temperature-driven gradient hydrogel actuators with rapid responsiveness.  COMPOSITES PART B-ENGINEERING,      [PMID:] [10.1016/j.compositesb.2022.110210]
7. Maoli Yin, Xia Li, Ying Liu, Xuehong Ren.  (2021)  Functional chitosan/glycidyl methacrylate-based cryogels for efficient removal of cationic and anionic dyes and antibacterial applications.  CARBOHYDRATE POLYMERS,      [PMID:34044945] [10.1016/j.carbpol.2021.118129]
8. Gaoyang Guo, Linhe Jin, Binggang Wu, Haiyang He, Fan Yang, Liangpeng Xu, Yang Lei, Yunbing Wang.  (2020)  A method for simultaneously crosslinking and functionalizing extracellular matrix-based biomaterials as bioprosthetic heart valves with enhanced endothelialization and reduced inflammation.  Acta Biomaterialia,      [PMID:33099025] [10.1016/j.actbio.2020.10.029]
9. Lei Tang, Zhixiang Zeng, Gang Wang, Luli Shen, Lijing Zhu, Yingxin Zhang, Qunji Xue.  (2019)  Study of Oil Dewetting Ability of Superhydrophilic and Underwater Superoleophobic Surfaces from Air to Water for High-Effective Self-Cleaning Surface Designing.  ACS Applied Materials & Interfaces,      [PMID:31038304] [10.1021/acsami.9b04948]
10. Lin Wang, Fuqing Ma, Jizhen Jia, Xiaobin Lei, Xinzhen Zhao, Changkun Liu.  (2019)  Investigation of forward osmosis performance and anti-fouling properties of the novel hydrophilic polymer brush-grafted TFC-type FO membranes.  JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,  94  (7): (2198-2211).  [PMID:] [10.1002/jctb.6003]
11. Xiaoliang Qi, Ruona Liu, Mengyu Chen, Zhipeng Li, Tao Qin, Yuna Qian, Shengzhe Zhao, Minchao Liu, Qiankun Zeng, Jianliang Shen.  (2019)  Removal of copper ions from water using polysaccharide-constructed hydrogels.  CARBOHYDRATE POLYMERS,      [PMID:30732789] [10.1016/j.carbpol.2019.01.015]
12. Jizhen Jia, Changkun Liu, Lin Wang, Xiaoyan Liang, Xiaoyan Chai.  (2018)  Double functional polymer brush-grafted cotton fiber for the fast visual detection and efficient adsorption of cadmium ions.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2018.04.152]
13. Juntao Gu, Shaojun Yuan, Wanting Shu, Wei Jiang, Shengwei Tang, Bin Liang, Simo Olavi Pehkonen.  (2016)  PVBC microspheres tethered with poly(3-sulfopropyl methacrylate) brushes for effective removal of Pb(II) ions from aqueous solution.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2016.03.062]
14. Bing Yu, Feng Zhai, Hailin Cong, Di Yang.  (2015)  Photosensitive polystyrene/silver bromide hybrid colloidal crystals as recoverable colorimetric naked eye probes for bromine gas sensing.  Journal of Materials Chemistry C,  (7): (1386-1391).  [PMID:] [10.1039/C5TC02616D]
15. Zhen Wang, Guanglong Ma, Juan Zhang, Zhefan Yuan, Longgang Wang, Matthew Bernards, Shengfu Chen.  (2015)  Surface protonation/deprotonation controlled instant affinity switch of nano drug vehicle (NDV) for pH triggered tumor cell targeting.  BIOMATERIALS,      [PMID:26046750] [10.1016/j.biomaterials.2015.05.020]
16. Yingzhuang Chen, Keyi Wang, Huihui Yang, Yixuan Liu, Shouzhuo Yao, Bo Chen, Lihua Nie, Guangming Xu.  (2012)  Synthesis of sulfo/vinyl biphasic silica hybrid monolithic capillary column and its application to on-column preconcentration for capillary electrochromatography.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:22410157] [10.1016/j.chroma.2012.01.024]
17. Wenxin Wang, Jin Han, Yutong Zheng, Haijie Wang, Chengbiao Zhu, Yongyi Li, Yuqi Feng, Zhenwei Wei, Xiangyu Wang.  (2024)  Direct Analysis of Whole Blood by a Disposable Monolithic Column Mass Spectrometry Analysis Kit†.  CHINESE JOURNAL OF CHEMISTRY,      [PMID:] [10.1002/cjoc.202300646]
18. Lang Mingjiao, Luo Jianquan, Wan Yinhua, Wang Xinyan, Chen Xiangrong, Zeng Guangyong.  (2025)  Dual-Functional Reverse Osmosis Membranes: A Novel Approach to Combat Biofouling with Enhanced Antibacterial and Antiadhesion Properties.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.123699]
19. Qiang Zhang, Guangyao Zhao, Zhiyuan Li, Fang Guo, Ya Huang, Guihuan Guo, Jiachen Wang, Jingkun Zhou, Lung Chow, Xingcan Huang, Xinxin He, Yuyu Gao, Zhan Gao, Kuanming Yao, Yuze Qiu, Zirui Zhao, Binbin Zhang, Yawen Yang, Yingjian Liu, Yue Hu, Mengge Wu, Jian Li, Pengcheng Wu, Guoqiang Xu, Pinyuan He, Zhihui Yang, Xinge Yu.  (2024)  Multi-functional adhesive hydrogel as bio-interface for wireless transient pacemaker.  BIOSENSORS & BIOELECTRONICS,      [PMID:39059179] [10.1016/j.bios.2024.116597]
20. Chen Chen, Yue Zhao, Tianshu Ma, Zhanghao Wu, Yuxiang Guan, Yuhui Liu, Tianci Jia, Yuhang Zhai, Hao Tian, Chuanxiao Xiao, Dewei Zhao, Xiaofeng Li, Changlei Wang.  (2025)  Synergistic Dipole-Defect Engineering via Sulfonic Molecular Bridge Boosts Voltage in Wide-Bandgap Perovskite and All-Perovskite Tandem Solar Cells.  ACS Nano,      [PMID:41004317] [10.1021/acsnano.5c04978]
21. Ruiyao Ma, Yanru Liu, Huijuan Lin, Ling-Bao Xing, Hui Liu, Shuanhong Ma, Feng Zhou.  (2025)  Hydrogen-bonding reinforced robust hydrogels for load-bearing and sustained lubrication.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2025.111233]
22. Guoliang Li, Lulu Liu, Jianquan Luo, Jia Guo, Lei Chen, Yinhua Wan, Xiangrong Chen.  (2024)  Enhancing silica scaling resistance of high-pressure reverse osmosis membranes through surface grafting with various sulfonic acid monomers.  DESALINATION,      [PMID:] [10.1016/j.desal.2024.118028]
23. Jiayu Wang, Shilong Zhang, Lingling Li, Xiaoliang Wang, Jiaofeng Xiong, Qingning Li, Weizheng Li, Feng Yan.  (2025)  Glassy ionogels with high compressibility and strength for impact protection.  PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,  122  (15): (e2417978122).  [PMID:40203035] [10.1073/pnas.2417978122]
24. Yunlong Yu, Zixuan Song, Boran Xu, Yunxin Tang, Qiangqiang Sun, Shaobing Zhou.  (2025)  Flow Interface Regulates Charge and Reactivity of Bulk Liquid.  LANGMUIR,      [PMID:40458898] [10.1021/acs.langmuir.5c00429]
25. Yuan Huang, Yimin Zeng, Haowei Ruan, Muyu Zhang, Qiqi Xue, Weiyu Zhou, Wei Hong, Canhui Yang.  (2025)  Polyelectrolyte Elastomer-Based Ionotronic Electro-Mechano-Optical Devices.  Small,      [PMID:40538243] [10.1002/smll.202502225]
26. Linlin Bai, Yuxing Chen, Huiting Ma, Xu Meng.  (2025)  Preparation and Application of Cellulose-Based Materials with Selective Adsorption of Dyes.  Polymers,  17  (12): (1653).  [PMID:40574181] [10.3390/polym17121653]
27. Lei Tang, Fen Xiao, Xing Huang, Guiyin Zhou.  (2025)  Cartilage-Inspired Bilayer Composite Hydrogel for Enhanced Load-Bearing and Lubrication in Articular Cartilage Repair.  POLYMER,      [PMID:] [10.1016/j.polymer.2025.129200]
28. Tangqi Hu, Wen Huang, Wei Liu, Yonggang Yang, Yi Li.  (2026)  Single-ionic conductive quasi-solid-state electrolyte membranes based on nematic liquid crystal polymer network.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2025.120272]
29. Jiaqi Wang, Jingze Liu, Yuan Wei, Tong Wang, Yage Hu, Yao Xiong, Rifang Luo, Fanjun Zhang, Yunbing Wang.  (2026)  Co-assembly of zwitterionic and cationic polymers for antibacterial and antithrombotic surfaces via weak electrostatic interactions.  BIOMATERIALS,      [PMID:] [10.1016/j.biomaterials.2026.124114]
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