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CAS 127-95-7

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Potassium hydrogen oxalate

Description:
Potassium hydrogen oxalate, also known as potassium oxalate monohydrate, is an organic compound with the chemical formula KHC₂O₄·H₂O. It appears as a white crystalline solid and is highly soluble in water, making it useful in various applications. This compound is a salt formed from the reaction of oxalic acid and potassium hydroxide. It exhibits acidic properties due to the presence of the hydrogen ion in its structure, which allows it to act as a weak acid in solution. Potassium hydrogen oxalate is often used in analytical chemistry, particularly in the preparation of standard solutions for titrations involving calcium ions. Additionally, it serves as a reagent in organic synthesis and can be utilized in the food industry as a food additive. Safety precautions are necessary when handling this compound, as it can be harmful if ingested or inhaled, and it may cause skin and eye irritation. Proper storage in a cool, dry place is recommended to maintain its stability and prevent degradation.
Formula:C2H2O4·K
InChI:InChI=1S/C2H2O4.K/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);
InChI key:InChIKey=ABEWDFYANWOMJE-UHFFFAOYSA-N
SMILES:C(C(O)=O)(O)=O.[K]
Synonyms:
  • Dipotassium Ethanedioate
  • Essential salt of lemon
  • Ethanedioic acid, monopotassium salt
  • Ethanedioic acid, potassium salt (1:1)
  • Hsdb 671
  • Kleesalz
  • Kleesalz [German]
  • Monopotassium oxalate
  • Oxalic acid, monopotassium salt
  • Potassium Hydrogendi Oxalate
  • See more synonyms
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