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223425 Sigma-Aldrich

Potassium oxalate monohydrate

ACS reagent, 99%

Synonym: Ethanedioic acid, Oxalic acid potassium salt

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Properties

Related Categories Biochemicals and Reagents, Building Blocks, Carbonyl Compounds, Carboxylic Acid Salts, Chelators,
Quality Level   200
grade   ACS reagent
assay   98.5-101.0% (ACS specification)
  99%
form   crystals or chunks
neutrality   passes test
impurities   H2SO4, passes test (darkened)
  ≤0.01% insolubles
pH   7.0-8.5 (25 °C, 50 g/L)
solubility   H2O: 10%
anion traces   chloride (Cl-): ≤0.002%
  sulfate (SO42-): ≤0.01%
cation traces   Fe: ≤0.001%
  NH4+: ≤0.002%
  Na: ≤0.02%
  heavy metals (as Pb): ≤0.002%
SMILES string   O.[K+].[K+].[O-]C(=O)C([O-])=O
InChI   1S/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2
InChI key   QCPTVXCMROGZOL-UHFFFAOYSA-L

Description

General description

Potassium oxalate monohydrate (POM) is a potassium salt of oxalic acid. Its crystal structure has been investigated by three-dimensional neutron diffraction studies.

Application

Potassium oxalate monohydrate may be used in the preparation of SBA-15 (Santa Barbara Amoprhous-15)- catalyst.

Potassium oxalate monohydrate may be used in the synthesis of bis(2,2"-bipyridine) (oxalato-O,O′)nickel(ii) tetrahydrate, a mononuclear mixed-ligand complex.

Packaging

12 kg in fiber drum

500 g in poly bottle

2.5 kg in poly bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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906794 Bis(neopentyltrimethylammonium) oxalate

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