Potassium citrate monobasic - AR, ≥98% , CAS No.866-83-1

CAS: 866-83-1 Cat. No.: P108905 Molecular Weight: 230.21 Beilstein Registry Number: 4772973 EC Number: 212-753-4
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GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥98%
Synonyms
UNII-7177FA40DS | potassium;3-carboxy-3,5-dihydroxy-5-oxopentanoate | Potassium dihydrogen 2-hydroxypropane-1,2,3-tricarboxylate | Potassium citrate monobasic, >=98.0% (NT) | Potassium citrate monobasic | Potassium citrate, monobasic | SCHEMBL183003 | 717
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250g
P108905-250g
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.
$17.90
Enter a quantity for the sizes you want to add.
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Why this grade

AR, ≥98% AR 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.

📚

Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
UNII-7177FA40DS | potassium;3-carboxy-3, 5-dihydroxy-5-oxopentanoate | Potassium dihydrogen 2-hydroxypropane-1, 2, 3-tricarboxylate | Potassium citrate monobasic, >=98.0% (NT) | Potassium citrate monobasic | Potassium citrate, monobasic | SCHEMBL183003 | 717
Specifications & Purity
AR, ≥98%
Storage
Room temperature
Shipped In
Normal
Grade
AR
Purity
≥98%
Names and Identifiers
Pubchem Sid488200503
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200503
Canonical SmilesC(C(=O)O)C(CC(=O)[O-])(C(=O)O)O.[K+]
IUPAC Namepotassium;3-carboxy-3,5-dihydroxy-5-oxopentanoate
InChIKeyWKZJASQVARUVAW-UHFFFAOYSA-M
INCHI1S/C6H8O7.K/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+1/p-1
Isomeric SMILES C(C(=O)O)C(CC(=O)[O-])(C(=O)O)O.[K+]
WGK Germany 3
Molecular Weight 230.21
Beilstein 4772973
Reaxy-Rn 6673518
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=6673518&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
SubclassTricarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentTricarboxylic acids and derivatives
Alternative Parents Tertiary alcohols  Carboxylic acid salts  Carboxylic acids  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Tricarboxylic acid or derivatives - Tertiary alcohol - Carboxylic acid salt - Organic alkali metal salt - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic potassium salt - Organic salt - Organooxygen compound - Carbonyl group - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as tricarboxylic acids and derivatives. These are carboxylic acids containing exactly three carboxyl groups.
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.

10 results found

Lot NumberCertificate TypeDateItem
F2622052Certificate of AnalysisDec 13, 2025 P108905
L2522605Certificate of AnalysisDec 13, 2025 P108905
L2522607Certificate of AnalysisDec 13, 2025 P108905
L2522615Certificate of AnalysisDec 13, 2025 P108905
A1704028Certificate of AnalysisSep 14, 2024 P108905
D1922186Certificate of AnalysisFeb 03, 2023 P108905
C2324926Certificate of AnalysisNov 18, 2021 P108905
E2516111Certificate of AnalysisNov 18, 2021 P108905
G2305134Certificate of AnalysisNov 18, 2021 P108905
K2116430Certificate of AnalysisNov 18, 2021 P108905
Chemical and Physical Properties
SensitivityHygroscopic
Molecular Weight230.210 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count7
Rotatable Bond Count5
Exact Mass229.983 Da
Monoisotopic Mass229.983 Da
Topological Polar Surface Area135.000 Ų
Heavy Atom Count14
Formal Charge0
Complexity251.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
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. Yifan Liu, Zihui Jin, Di Sun, Bo Xu, Tianyu Lan, Qiyang Zhao, Yue He, Jing Li, Yongliang Cui, Yaohai Zhang.  (2024)  Preparation of hapten and monoclonal antibody of hesperetin and establishment of enzyme-linked immunosorbent assay.  TALANTA,      [PMID:39305766] [10.1016/j.talanta.2024.126912]
2. Yifan Liu, Zihui Jin, Di Sun, Jiexin Zheng, Bo Xu, Tianyu Lan, Qiyang Zhao, Yue He, Jing Li, Yaohai Zhang, Yongliang Cui.  (2024)  Preparation of monoclonal antibody against rhoifolin and its application in enzyme-linked immunosorbent assay of rhoifolin and diosmin.  TALANTA,      [PMID:39276572] [10.1016/j.talanta.2024.126871]
3. Yifan Liu, Bo Xu, Jiexin Zheng, Zihui Jin, Di Sun, Tianyu Lan, Qiyang Zhao, Yue He, Jing Li, Yongliang Cui, Yaohai Zhang.  (2025)  Preparation of hapten and monoclonal antibody of diosmin and establishment of enzyme-linked immunosorbent assay.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2025.115257]
4. Jiexin Zheng, Tianyu Lan, Bo Xu, Chunlei Cao, Feng Sun, Yue He, Qiyang Zhao, Jing Li, Yaohai Zhang, Chengqiu Wang, Yongliang Cui.  (2025)  Preparation of a monoclonal antibody against obacunone and its application in obacunone-specific enzyme-linked immunosorbent assay (ELISA).  Analytical Methods,      [PMID:41211693] [10.1039/D5AY01371B]
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