Potassium hydrogen oxalate

Name: Potassium hydrogen oxalate
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CAS No. 127-95-7
Cat. No. CS-0198035
Purity≥99%
MDL No.MFCD00036407

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
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General Information

CAS No. 127-95-7
Cat. No. CS-0198035
Purity ≥99%
MDL No. MFCD00036407
Storage 4°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula KHC₂O₄
Molecular Weight 128.13
Synonym(s) None
SMILES O=C(C(O[K])=O)O

Description

Potassium hydrogen oxalate serves as a stable, moisture-tolerant source of oxalate anions in aqueous and mixed-solvent systems. This bench-stable salt facilitates precise anion delivery in coordination chemistry and analytical applications, offering reliable reactivity without the need for additional activation or handling under inert conditions.

Application

Potassium hydrogen oxalate serves as a reliable source of oxalate anion in synthetic workflows, enabling efficient chelation and precipitation reactions. Its bench-stable crystalline form facilitates handling and purification, while its moderate solubility supports controlled reaction kinetics. Widely used in coordination chemistry and metal ion sequestration, it functions effectively in standard laboratory protocols requiring stoichiometric oxalate delivery.

Synthesis

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References
- Justus Liebigs Annalen der Chemie, vol. 146, p. 140
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  127-95-7
References
- Ann. Chim. Phys., , vol. 4, p. 457

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 74.6
LogP -1.4929
H_Acceptors 2
H_Donors 2
Rotatable_Bonds 0

Other Classifications

Bioactive Molecules Bioactive Small Molecules

Bioactive Molecules Dye and Bio-assay Reagents

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Potassium hydrogen oxalate

CAS No. 127-95-7

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