Potassium oleate - CP , CAS No.143-18-0

CAS: 143-18-0 Cat. No.: P100097 Molecular Weight: 320.55 Beilstein Registry Number: 4167152 EC Number: 205-590-5
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GRADE & PURITY CP ? Chemically Pure grade — moderate purity above technical grade but below analytical. Use for general lab reactions where ultra-low impurities aren't critical.
Synonyms
O0056 | POTASSIUM OLEATE [MI] | 9-Octadecenoic acid (Z)-, potassium salt | Oleic acid potassium salt | EINECS 205-590-5 | C18H33KO2 | Trenamine D-201 | HSDB 5643 | POTASSIUM CIS-9-OCTADECENOIC ACID | DTXSID0025949 | EPA Pesticide Chemical Code 079095 | po
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
250g
P100097-250g
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$17.90

$31.90
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Why this grade

CP CP 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 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
O0056 | POTASSIUM OLEATE [MI] | 9-Octadecenoic acid (Z)-, potassium salt | Oleic acid potassium salt | EINECS 205-590-5 | C18H33KO2 | Trenamine D-201 | HSDB 5643 | POTASSIUM CIS-9-OCTADECENOIC ACID | DTXSID0025949 | EPA Pesticide Chemical Code 079095 | po
Specifications & Purity
CP
Storage
Room temperature
Shipped In
Normal
Grade
CP
Names and Identifiers
Pubchem Sid488200409
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200409
Canonical SmilesCCCCCCCCC=CCCCCCCCC(=O)[O-].[K+]
IUPAC Namepotassium;(Z)-octadec-9-enoate
InChIKeyMLICVSDCCDDWMD-KVVVOXFISA-M
INCHI1S/C18H34O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h9-10H,2-8,11-17H2,1H3,(H,19,20);/q;+1/p-1/b10-9-;
Isomeric SMILES CCCCCCCC/C=C\CCCCCCCC(=O)[O-].[K+]
RTECS RK1150000
Molecular Weight 320.55
Beilstein 4167152
Reaxy-Rn 27800672
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=27800672&ln=

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
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acids and conjugates
Intermediate Tree Nodes Not available
Direct ParentLong-chain fatty acids
Alternative Parents Unsaturated fatty acids  Carboxylic acid salts  Monocarboxylic acids and derivatives  Carboxylic acids  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Long-chain fatty acid - Unsaturated fatty acid - Carboxylic acid salt - Organic alkali metal salt - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic potassium salt - Organic salt - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
FABP3 Tchem Fatty acid-binding protein, heart (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
Mechanisms of Action
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.

4 results found

Lot NumberCertificate TypeDateItem
E2230206Certificate of AnalysisMar 11, 2026 P100097
E2230211Certificate of AnalysisMar 11, 2026 P100097
E1917186Certificate of AnalysisMar 08, 2023 P100097
B2314136Certificate of AnalysisNov 27, 2021 P100097
Chemical and Physical Properties
SolubilitySoluble in water, ethanol, alcohol
SensitivityMoisture sensitive.
Flash Point(°C)140°C
Molecular Weight320.600 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count15
Exact Mass320.212 Da
Monoisotopic Mass320.212 Da
Topological Polar Surface Area40.100 Ų
Heavy Atom Count21
Formal Charge0
Complexity239.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count2
Documents & Articles
Citations of This Product
References
1. Lu Xu, Qianyi Tang, Baijun Liu, Mingyao Zhang.  (2022)  Control of the composition of matrix resin for the design of MABS resin with good transparency and toughness.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2022.130608]
2. Ya-Dong Yang, Gui-Xiang Liu, Yan-Chan Wei, Shuangquan Liao, Ming-Chao Luo.  (2021)  Natural rubber latex/MXene foam with robust and multifunctional properties.  E-POLYMERS,  21  (1): (179-185).  [PMID:] [10.1515/epoly-2021-0017]
3. Hao Wang, Yongqing Wang, Chunli Jiang, Kaihang Ye, Xiaohui He, Can Xue, Zujin Yang, Xiantai Zhou, Hongbing Ji.  (2019)  Hybridization of CuO with Bi2MoO6 Nanosheets as a Surface Multifunctional Photocatalyst for Toluene Oxidation under Solar Irradiation.  ACS Applied Materials & Interfaces,      [PMID:31840500] [10.1021/acsami.9b14704]
4. Bo Wang, Congyang Zhang, Shouqiang Huang, Zhichun Li, Long Kong, Ling Jin, Junhui Wang, Kaifeng Wu, Liang Li.  (2018)  Postsynthesis Phase Transformation for CsPbBr3/Rb4PbBr6 Core/Shell Nanocrystals with Exceptional Photostability.  ACS Applied Materials & Interfaces,      [PMID:29902918] [10.1021/acsami.8b04198]
5. Dong-Yang Zhang, Ning Zhang, Peng Song, Jing-Yi Hao, Yi Wan, Xiao-Hui Yao, Tao Chen, Long Li.  (2017)  Functionalized cellulose beads with three dimensional porous structure for rapid adsorption of active constituents from Pyrola incarnata.  CARBOHYDRATE POLYMERS,      [PMID:29254008] [10.1016/j.carbpol.2017.11.111]
6. Shenbo Huang, Zirong Luo, Jizhen Zhang, Na Kong, Jihua Li, Pengfei Zhao, Jiayu Wu, Shaozao Tan, Jinlong Tao.  (2024)  An eco-friendly, high-yield and scalable method for processing concentrated natural rubber latex with superabsorbent polymer beads.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.158013]
7. Xu Lu, Zhang Mingyao, Liu Baijun.  (2024)  Control of the rubber particle size and phase structure for the design of transparent methacrylate-acrylonitrile-butadiene-styrene resin with excellent performance.  JOURNAL OF POLYMER RESEARCH,  31  (7): (1-15).  [PMID:] [10.1007/s10965-024-04061-w]
8. Xiaoye Li, Huamin Liu, Yuanyuan Xue, Yanchao Zhu, Juntao Li, Xinyao Li, Shuang Gao.  (2024)  Study on properties of natural latex foam composites modified by corn straw-derived biomass fiber.  POLYMER ENGINEERING AND SCIENCE,      [PMID:] [10.1002/pen.27064]
9. Naqing Wang, Qixin Huang, Zhehong Zhou, Shaojun Wang, Tao Pang, Lingwei Zeng, Daqin Chen.  (2025)  Short-chain ligand synthesis of ytterbium-doped CsPbCl3 perovskite nanocrystals.  JOURNAL OF LUMINESCENCE,      [PMID:] [10.1016/j.jlumin.2025.121425]
10. Li Chen, Peng Li, Xin Liu, Shuxia Li, Liping Yang, Ning Kang, Chenglong Wang.  (2025)  Sodium Oleate-Modified Tin Oxide Electron Transport Layer for High-Performance Perovskite Solar Cells.  ACS Applied Energy Materials,      [PMID:] [10.1021/acsaem.5c00176]
11. Runtian Xu, Hanping He, Huan Deng, Yuehan Dong, Xiangjie Wu, Zinuo Xia, Yang Zhou, Lin Yang, Zhijun Huang, Wenjin Xu, Peihu Xu, Haixing Xu.  (2025)  Study of conductive nerve conduits for anti-inflammatory and antioxidant effects.  RSC Advances,  15  (18): (14136-14151).  [PMID:40313319] [10.1039/D5RA00997A]
12. Wenqing Qiao, Yucai Gao, Wei Tao, Yuxuan Bu, Xiaojun Lv, Qingbo Zhao, Hongfu Zhao, Haiyang Wang, Kaihua Shen.  (2025)  Precise size control of polybutadiene latex particles enabled by a one-step emulsion-dispersion strategy.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2025.138743]
13. Xu Zhao, Zirong Luo, Tuanzhang Li, Wenfa Mao, Fangting Mo, Yanqiu Shao, Shuang Li, Jizhen Zhang, Na Kong, Jihua Li, Jinlong Tao.  (2025)  Scalable wet-spun stretchable conductive fibers with SWCNT-enhanced mechanical and electrical properties for multifunctional wearables.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.171622]
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