Potassium tetraoxalate dihydrate - CP, ≥98% , CAS No.6100-20-5

CAS: 6100-20-5 Cat. No.: P100095 Molecular Weight: 254.19 Beilstein Registry Number: 3854419 EC Number: 612-064-2 PubChem CID: 53249650
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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. ≥98%
Synonyms
6100-20-5|Potassium tetraoxalate dihydrate|Ethanedioic acid, potassium salt (2:1), dihydrate|octapotassium;oxalate;dihydrate|DTXSID50693002|AKOS030228548|Potassium ethanedioate--water (4/2/1)
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
250g
P100095-250g
1
$9.90
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Why this grade

CP, ≥98% 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
6100-20-5 | Potassium tetraoxalate dihydrate | Ethanedioic acid, potassium salt (2:1), dihydrate | octapotassium;oxalate;dihydrate | DTXSID50693002 | AKOS030228548 | Potassium ethanedioate--water (4/2/1)
Specifications & Purity
CP, ≥98%
Storage
Room temperature
Shipped In
Normal
Grade
CP
Purity
≥98%
Names and Identifiers
Canonical SmilesC(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].O.O.[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+]
IUPAC Nameoctapotassium;oxalate;dihydrate
InChIKeyOEQQMUDWLKESHP-UHFFFAOYSA-F
INCHI1S/4C2H2O4.8K.2H2O/c4*3-1(4)2(5)6;;;;;;;;;;/h4*(H,3,4)(H,5,6);;;;;;;;;2*1H2/q;;;;8*+1;;/p-8
Isomeric SMILES C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].O.O.[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+]
WGK Germany 1
PubChem CID 53249650
Molecular Weight 254.19
Beilstein 3854419

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.

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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
ClassCarboxylic acids and derivatives
SubclassDicarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentDicarboxylic acids and derivatives
Alternative Parents Carboxylic acid salts  Carboxylic acids  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Organic cations  
Molecular FrameworkNot available
Substituents Dicarboxylic acid or derivatives - 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 - Organic cation - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid 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.

6 results found

Lot NumberCertificate TypeDateItem
K2527489Certificate of AnalysisDec 01, 2025 P100095
G2404302Certificate of AnalysisJul 08, 2024 P100095
G2404303Certificate of AnalysisJul 08, 2024 P100095
E1603069Certificate of AnalysisJan 19, 2024 P100095
H2323045Certificate of AnalysisAug 29, 2023 P100095
C2205509Certificate of AnalysisMar 11, 2022 P100095
Chemical and Physical Properties
SensitivityMoisture sensitive.
Molecular Weight700.890 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count18
Rotatable Bond Count0
Exact Mass699.649 Da
Monoisotopic Mass699.649 Da
Topological Polar Surface Area323.000 Ų
Heavy Atom Count34
Formal Charge0
Complexity60.500
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 Count14
Documents & Articles
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