Mono Ethyl Potassium Malonate

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CAS Number:6148‑64‑7

Synonyms: Monoethylpotassium malonate; Potassium monoethyl malonate; Ethyl potassium malonate; Potassium 3‑ethoxy‑3‑oxopropanoate

Chemical Formula:C₅H₇KO₄

Molecular Weight:170.20 g/mol

Product Introduction

A white crystalline, hygroscopic salt serving as a malonate ester potassium salt. Used in organic synthesis as a malonate donor for β-ketoester, β-amino acrylate formation, enzyme inhibition studies, and fine chemical production.

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Physical & Chemical Properties

Property Value
Appearance White crystalline powder
Melting Point ~194–200 °C (decomp.)
Molecular Weight 170.20 g/mol
Solubility Soluble in water
Hygroscopic Behavior Absorbs moisture

Applications

  • β‑ketoester synthesis: Via TMS malonate acylations
  • β‑amino acrylates: Prepared with aryl nitriles + ZnCl₂/Hünig's base
  • Succinate dehydrogenase studies: Used as a competitive inhibitor

Safety & Handling

  • Hygroscopic solid; use gloves, store dry, avoid strong oxidizers. Handle in ventilated area with standard PPE.

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