Potassium Formate - ≥96% , CAS No.590-29-4

CAS: 590-29-4 Cat. No.: P105224 Formula: HCO2K Molecular Weight: 84.12 Beilstein Registry Number: 3623272 EC Number: 209-677-9
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
Formic acid potassium salt
Storage
Room temperature,Desiccated
Shipped In
Normal
Size
USA
Germany (EU)*
Price
Qty
100g
P105224-100g
2 In stock
$21.90
250g
P105224-250g
7 In stock
In stock ≥10
$39.90
500g
P105224-500g
2 In stock
$65.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

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

📋

Quality documents

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

📚

Literature proof

Cited in 23 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Formic acid potassium salt
Specifications & Purity
≥96%
Storage
Room temperature,Desiccated
Shipped In
Normal
Purity
≥96%
Names and Identifiers
Pubchem Sid488192704
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488192704
Canonical SmilesC(=O)[O-].[K+]
IUPAC Namepotassium;formate
InChIKeyWFIZEGIEIOHZCP-UHFFFAOYSA-M
INCHI1S/CH2O2.K/c2-1-3;/h1H,(H,2,3);/q;+1/p-1
Isomeric SMILES C(=O)[O-].[K+]
WGK Germany 2
Molecular Weight 84.12
Beilstein 3623272
Reaxy-Rn 3623272
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3623272&ln=

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
SubclassCarboxylic acid derivatives
Intermediate Tree Nodes Not available
Direct ParentCarboxylic acid salts
Alternative Parents Monocarboxylic acids and derivatives  Carboxylic acids  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Carboxylic acid salt - Organic alkali metal salt - Monocarboxylic acid or derivatives - Carboxylic acid - 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 carboxylic acid salts. These are ionic derivatives of carboxylic acid.
External Descriptors potassium salt - one-carbon compound
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.

39 results found

Lot NumberCertificate TypeDateItem
H2618343Certificate of AnalysisJul 24, 2026 P105224
H2618342Certificate of AnalysisJul 24, 2026 P105224
H2618341Certificate of AnalysisJul 24, 2026 P105224
J2524675Certificate of AnalysisOct 18, 2025 P105224
J2524674Certificate of AnalysisOct 18, 2025 P105224
F2602063Certificate of AnalysisOct 18, 2025 P105224
C2605712Certificate of AnalysisOct 18, 2025 P105224
C2605711Certificate of AnalysisOct 18, 2025 P105224
C2605710Certificate of AnalysisOct 18, 2025 P105224
K2111447Certificate of AnalysisAug 12, 2025 P105224
D2501472Certificate of AnalysisFeb 28, 2025 P105224
D2501473Certificate of AnalysisFeb 28, 2025 P105224
D2501471Certificate of AnalysisFeb 28, 2025 P105224
F2417382Certificate of AnalysisMay 20, 2024 P105224
F2417381Certificate of AnalysisMay 20, 2024 P105224
F2417351Certificate of AnalysisMay 20, 2024 P105224
C2409275Certificate of AnalysisMar 04, 2024 P105224
C2409273Certificate of AnalysisMar 04, 2024 P105224
C2409274Certificate of AnalysisMar 04, 2024 P105224
A2410320Certificate of AnalysisJan 02, 2024 P105224
A2410321Certificate of AnalysisJan 02, 2024 P105224
A2410322Certificate of AnalysisJan 02, 2024 P105224
A2410323Certificate of AnalysisJan 02, 2024 P105224
A2410324Certificate of AnalysisJan 02, 2024 P105224
E2325463Certificate of AnalysisApr 28, 2023 P105224
E2325464Certificate of AnalysisApr 28, 2023 P105224
E2325465Certificate of AnalysisApr 28, 2023 P105224
G2314151Certificate of AnalysisApr 28, 2023 P105224
C23241313Certificate of AnalysisMar 04, 2023 P105224
G2314137Certificate of AnalysisMar 04, 2023 P105224
C23241380Certificate of AnalysisMar 04, 2023 P105224
C23241378Certificate of AnalysisMar 04, 2023 P105224
B2303842Certificate of AnalysisAug 08, 2022 P105224
I2202589Certificate of AnalysisAug 08, 2022 P105224
I2202590Certificate of AnalysisAug 08, 2022 P105224
I2202591Certificate of AnalysisAug 08, 2022 P105224
A2218585Certificate of AnalysisDec 03, 2021 P105224
A2218600Certificate of AnalysisDec 03, 2021 P105224
A2218599Certificate of AnalysisDec 03, 2021 P105224

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Chemical and Physical Properties
SensitivityHygroscopic.
Melt Point(°C)165-168°C
Molecular Weight84.116 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass83.9614 Da
Monoisotopic Mass83.9614 Da
Topological Polar Surface Area40.100 Ų
Heavy Atom Count4
Formal Charge0
Complexity13.500
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
Documents & Articles
Citations of This Product
References
1. Hongjie Yu, Shaojian Jiang, Wenjie Zhan, Kai Deng, Ziqiang Wang, You Xu, Hongjing Wang, Liang Wang.  (2023)  Hydrogen-intercalation enhanced the anti-CO poisoning ability of palladium-copper metallene for direct formate fuel cells.  Materials Today Physics,      [PMID:] [10.1016/j.mtphys.2023.101216]
2. Xi-Lai Liu, Yu-Chuan Jiang, Jiang-Tao Huang, Wei Zhong, Bin He, Pu-Jun Jin, Yu Chen.  (2023)  Bifunctional PdPt bimetallenes for formate oxidation-boosted water electrolysis.  Carbon Energy,  (12): (e367).  [PMID:] [10.1002/cey2.367]
3. Wenlong Song, Xin Wang, Tian Hou, Xiaoshan Li, Hongwang Chen, Yue Yu, Xiaoran Sun, Ambrish Singh, Meng Zhang.  (2023)  Formate Additive for Efficient and Stable Methylammonium-Free Perovskite Solar Cells by Gas-Quenching.  CHEMISTRY-A EUROPEAN JOURNAL,  29  (37): (e202300576).  [PMID:37162488] [10.1002/chem.202300576]
4. Helei Wei, Aidong Tan, Zhipeng Xiang, Jie Zhang, Jinhua Piao, Zhenxing Liang, Kai Wan, Zhiyong Fu.  (2022)  Modulating p-Orbital of Bismuth Nanosheet by Nickel Doping for Electrocatalytic Carbon Dioxide Reduction Reaction.  ChemSusChem,  15  (15): (e202200752).  [PMID:35618698] [10.1002/cssc.202200752]
5. Wei Wang, Liu-Liu Shen, Hui Yu, Wenkai Xu, Jiansong Wang, Cong Yong, Gui-Rong Zhang, Donghai Mei.  (2022)  Solar-Boosted Paper-Based Microfluidic Fuel Cells for Miniaturized Power Sources.  Advanced Materials Technologies,  (10): (2200154).  [PMID:] [10.1002/admt.202200154]
6. Xianda Sun, Yinshi Li.  (2019)  Understanding mass and charge transports to create anion-ionomer-free high-performance alkaline direct formate fuel cells.  INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,      [PMID:] [10.1016/j.ijhydene.2019.01.240]
7. Wendi Guo, Zehui Sun, Meng-Jiao Xu, Kaizhi Wang, Mugeng Chen, Conglin Zhu, Heyong He, Yong-Mei Liu, Yong Cao.  (2024)  Asymmetric CoN3P1 single-atom catalytic sites for enhanced transfer hydrodehalogenation.  GREEN CHEMISTRY,      [PMID:] [10.1039/D3GC04739C]
8. Ling-Xia Yun, Xin-Ran Shi, Tian-Bao Chen, Yu-Hang Gu, Meng Qiao, Hang-Tian Zhang, Jie-Xin Wang.  (2024)  High-gravity-assisted synthesis of NiCo2O4/C for electro-upcycling polyethylene terephthalate to commodity chemicals.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2024.121084]
9. Mingwei Zhao, Ziteng Yang, Xiangjuan Meng, Xudong Wang, Zhiwei Wang, Zhongzheng Xu, Yining Wu, Caili Dai.  (2024)  Preparation and Performance Evaluation of Weighted Gel Fracturing Fluid with Delayed Cross-Linking Property for Ultradeep Reservoir.  ENERGY & FUELS,      [PMID:] [10.1021/acs.energyfuels.4c03574]
10. Kaiyang Xu, Lecheng Liang, Tong Li, Mujie Bao, Zhipeng Yu, Jingwei Wang, Sitaramanjaneya Mouli Thalluri, Fei Lin, Quanbing Liu, Zhiming Cui, Shuqin Song, Lifeng Liu.  (2024)  Pt1.8Pd0.2CuGa Intermetallic Nanocatalysts with Enhanced Methanol Oxidation Performance for Efficient Hybrid Seawater Electrolysis.  ADVANCED MATERIALS,  36  (31): (2403792).  [PMID:38742953] [10.1002/adma.202403792]
11. Zuolin Zhang, Mengjia Li, Ru Li, Xinmeng Zhuang, Chenglin Wang, Xueni Shang, Dongmei He, Jiangzhao Chen, Cong Chen.  (2024)  Suppressing Ion Migration by Synergistic Engineering of Anion and Cation toward High-Performance Inverted Perovskite Solar Cells and Modules.  ADVANCED MATERIALS,  36  (24): (2313860).  [PMID:38529666] [10.1002/adma.202313860]
12. Kaiyang Xu, Chenyue Zhang, Lu Yang, Yaowen Xu, Binwen Zeng, Qian Chen, Bowen Li, Yang Zhao, Zhipeng Yu, Haoliang Huang, Wenlong Wang, Lecheng Liang, Shuqin Song, Lifeng Liu.  (2025)  Deoxygenation-Induced Lattice Distortion in CuOx for Efficient Methane Diolate Anion Oxidation and Bipolar Hydrogen Evolution.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202510268]
13. Hongjing Wang, Wenxin Wang, Qiqi Mao, Hongjie Yu, Kai Deng, You Xu, Xiaonian Li, Ziqiang Wang, Liang Wang.  (2022)  Tensile strained PdNi bimetallene for energy-efficient hydrogen production integrated with formate oxidation.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.137995]
14. Min Xu, Rui Xiao, Fengqian Xu, Wenbo Chai, Wenlong Liu, Huijie Lu.  (2024)  Formate-facilitated recovery of wastewater anammox granular sludge from oxygen inhibition: Effects and mechanisms.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.157510]
15. Xiuge Wang, Junhao Ren, Zhiyong Gao.  (2025)  Self-supported copper-cobalt oxide hybrid electrode for bifunctionally electrocatalytic nitrate reduction and methanol oxidation reactions.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:40233693] [10.1016/j.jcis.2025.137575]
16. Zheng Xia, Fu Yaoqiang, Ning Jing, Wang Haorui, Liu Hongfei, Cui Chunhua.  (2026)  Boosting alkaline formate electrooxidation on Pd/Co(OH)2 catalysts through synergistic enhancement of Hads removal and HCOO− adsorption.  Science China-Chemistry,      [PMID:] [10.1007/s11426-025-3061-4]
17. Fan Yin, Zihui Lin, Hailong Lu, Chunmin Xu, Hui Chen, Long Cheng.  (2026)  Enhancing norfloxacin adsorption via NF dual-site non-metal functionalized biochar: Performance and mechanism.  Journal of Water Process Engineering,      [PMID:] [10.1016/j.jwpe.2026.109491]
18. Xiao-Dan Liu, Xiaomin Kang, En-Peng Du, Rui-Di Sun, Jie-Shu Qian, Li Zhou.  (2026)  Sustaining dynamic Cu surface reconstruction in formaldehyde oxidation coupled with a mechanically robust substrate-supported electrode design.  Chemical Engineering Journal Advances,      [PMID:] [10.1016/j.ceja.2026.101108]
19. Qixian xie, Bowen Guo, Yichen Zhang, Tianze Yang, Chenfang Cui, Zhengliang Liu, Honglin Yao, Baili Li, Wurong Ren.  (2026)  Dual Mode in situ Monitoring of CO2 Conversion via pH indicator and UV Vis Spectroscopy.  iScience,      [PMID:41858897] [10.1016/j.isci.2026.115158]
20. Zhang Yong, Qi Ying, Zhou Haiqing, Zhang Yan, Sun Jingying, Ma Wenqi, Hu Jiayi, Feng Ligang, Yu Fang.  (2026)  Built-in electric field engineering in Co2N0.67/CoP heterostructures for glycerol electrooxidation-assisted hydrogen production.  Nature Communications,      [PMID:41844637] [10.1038/s41467-026-70731-6]
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22. Liu Sijie, Zhao Jinlong, Gao Liya, Ding Xiaoshu, Wang Jiaxi, Zhang Dongsheng, Zhao Xinqiang, Wang Yanji.  (2026)  A Closed Cycle for the Carboxylation-Esterification of Furoic Acid with CO2 over Supported Alkali Metal Salt Catalysts.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,  65  (30): (15954-15963).  [PMID:] [10.1021/acs.iecr.6c01727]
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