3-Sulfopropyl acrylate potassium salt - ≥98% , CAS No.31098-20-1

CAS: 31098-20-1 Cat. No.: S138652 Molecular Weight: 232.3 EC Number: 250-465-0 PubChem CID: 23663682
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
EC 250-465-0 | EINECS 250-465-0 | potassium;3-prop-2-enoyloxypropane-1-sulfonate | Potassium3-(acryloyloxy)propane-1-sulfonate | Potassium 3-(acryloyloxy)propane-1-sulfonate | 2-Propenoic acid, 3-sulfopropyl ester, potassium salt (1:1) | DTXSID101014889 |
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
S138652-5g
2

$23.90

$35.90
Save $12.00 (33.43%)
25g
S138652-25g
1

$37.90

$56.90
Save $19.00 (33.39%)
100g
S138652-100g
1

$100.90

$151.90
Save $51.00 (33.57%)
500g
S138652-500g
1

$378.90

$568.90
Save $190.00 (33.40%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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 9 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

The monomer was polymerized to prepare a hydrogel test bed, which was used in a study an in vitro wound infection model. It was polymerized with N-isopropyl acrylamide to prepare thermoresponsive super water absorbent hydrogels,[3] superporous hydrogels (SPH) and SPH based composites.

Specifications

Synonyms
EC 250-465-0 | EINECS 250-465-0 | potassium;3-prop-2-enoyloxypropane-1-sulfonate | Potassium3-(acryloyloxy)propane-1-sulfonate | Potassium 3-(acryloyloxy)propane-1-sulfonate | 2-Propenoic acid, 3-sulfopropyl ester, potassium salt (1:1) | DTXSID101014889 |
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesC=CC(=O)OCCCS(=O)(=O)[O-].[K+]
IUPAC Namepotassium;3-prop-2-enoyloxypropane-1-sulfonate
InChIKeyVSFOXJWBPGONDR-UHFFFAOYSA-M
INCHI1S/C6H10O5S.K/c1-2-6(7)11-4-3-5-12(8,9)10;/h2H,1,3-5H2,(H,8,9,10);/q;+1/p-1
Isomeric SMILES C=CC(=O)OCCCS(=O)(=O)[O-].[K+]
WGK Germany 3
PubChem CID 23663682
Molecular Weight 232.3

Documentation

📋 Safety Data Sheet (SDS)

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

Download SDS →

✅ Certificate of Analysis (COA)

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

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAcrylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentAcrylic acid esters
Alternative Parents Sulfonyls  Organosulfonic acids  Enoate esters  Alkanesulfonic acids  Monocarboxylic acids and derivatives  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Organic cations  
Molecular FrameworkAliphatic acyclic compounds
Substituents Acrylic acid ester - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Alpha,beta-unsaturated carboxylic ester - Enoate ester - Sulfonyl - Alkanesulfonic acid - Carboxylic acid ester - Monocarboxylic acid or derivatives - Organic alkali metal salt - Carbonyl group - Organic oxygen compound - Organic salt - Organic potassium salt - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organic oxide - Organic cation - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as acrylic acid esters. These are organic compounds containing and ester acrylic acid (CH2=CHC(=O)OH).
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
G2416417Certificate of AnalysisMay 08, 2026 S138652
G2416395Certificate of AnalysisMay 08, 2026 S138652
G2416398Certificate of AnalysisMay 08, 2026 S138652
G2416400Certificate of AnalysisMay 08, 2026 S138652
G2206388Certificate of AnalysisMar 16, 2026 S138652
L2519056Certificate of AnalysisJul 09, 2024 S138652
C2518080Certificate of AnalysisJul 09, 2024 S138652
K2514066Certificate of AnalysisJul 09, 2024 S138652
J2510125Certificate of AnalysisJul 09, 2024 S138652
I2524035Certificate of AnalysisJul 09, 2024 S138652
H2514030Certificate of AnalysisJul 09, 2024 S138652
G2416416Certificate of AnalysisJul 09, 2024 S138652
G2416403Certificate of AnalysisJul 09, 2024 S138652
G2416396Certificate of AnalysisJul 09, 2024 S138652
G2416394Certificate of AnalysisJul 09, 2024 S138652
C2624069Certificate of AnalysisJul 09, 2024 S138652
C2611176Certificate of AnalysisJul 09, 2024 S138652
G2206411Certificate of AnalysisApr 26, 2024 S138652
G2206409Certificate of AnalysisApr 26, 2024 S138652
G2206387Certificate of AnalysisApr 26, 2024 S138652
G2216387Certificate of AnalysisJun 21, 2022 S138652
L2326073Certificate of AnalysisJun 21, 2022 S138652

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Chemical and Physical Properties
Solubilitysoluble in water.
Sensitivitylight sensitive; heat sensitive;Moisture sensitive
Melt Point(°C)302 °C
Molecular Weight232.300 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count6
Exact Mass231.981 Da
Monoisotopic Mass231.981 Da
Topological Polar Surface Area91.900 Ų
Heavy Atom Count13
Formal Charge0
Complexity253.000
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. Jia Yu Hu, Dejin Jiao, Xing Peng Hao, Xiangren Kong, Xin Ning Zhang, Miao Du, Qiang Zheng, Zi Liang Wu.  (2023)  A Facile Strategy to Fabricate Tough and Adhesive Elastomers by In Situ Formation of Coordination Complexes as Physical Crosslinks.  ADVANCED FUNCTIONAL MATERIALS,  33  (51): (2307402).  [PMID:] [10.1002/adfm.202307402]
2. Li Caicong, Cheng Jianxiang, He Yunfeng, He Xiangnan, Xu Ziyi, Ge Qi, Yang Canhui.  (2023)  Polyelectrolyte elastomer-based ionotronic sensors with multi-mode sensing capabilities via multi-material 3D printing.  Nature Communications,  14  (1): (1-14).  [PMID:37563150] [10.1038/s41467-023-40583-5]
3. Liu Jiajia, Wang Wei, Yu Dan, Zhao Kai.  (2020)  Durable Moisture-wicking and Fast-dry Polyester Fabric Prepared by UV-induced Click Reaction.  FIBERS AND POLYMERS,  21  (1): (111-118).  [PMID:] [10.1007/s12221-020-9466-y]
4. Yue Zhang, Ao Lan, Yuanhao Xia, Xiangyu Yin, Bingwei He, Pengli Zhu.  (2025)  3D-Printing of PAM hydrogel-based iontronic for dual-mode epidermal sensors.  IEEE SENSORS JOURNAL,      [PMID:] [10.1109/JSEN.2025.3549188]
5. Yue Wang, Hao Jiang, Yuhan Zhang, Zhichao Song, Zijie Chen, Kunyan Sui, Wenxin Fan, Pengfei Qi.  (2024)  Highly-stable gradient poly(anion-π) hydrogels with superior salt-tolerant property for giant osmotic energy harvesting.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.148512]
6. Zihang Shen, Zheyu Dong, Jiabao Bai, Daochen Yin, Zhi Sheng, Yijie Cai, Zheng Jia.  (2025)  Protocol for the fabrication and application of a low-water-content polyelectrolyte hydrogel.  STAR Protocols,      [PMID:40127102] [10.1016/j.xpro.2025.103713]
7. Jiaxing Chen, Xiangkai Wang, Zhangjing Chen, Zhe Wang, Ximing Wang.  (2025)  Highly anisotropic and fast-response wood-based electronic skin efficiently constructed via cell wall nanoengineering.  INDUSTRIAL CROPS AND PRODUCTS,      [PMID:] [10.1016/j.indcrop.2025.121778]
8. 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]
9. Jiaxing Chen, Xiaoxuan Guo, Xinyi Zhou, Yun Lu, Ximing Wang.  (2025)  Top-Down approach for fabricating high-driving-stress wood-based hydrogel for load-bearing.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.164216]
Solution Calculators
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