Diethyl Methyl Malonate Suppliers & Exporters in Mumbai, India

DEMMe Chemical

CAS Number:609‑08‑5

Synonyms: Diethyl methyl malonate; Methylmalonic acid diethyl ester; Ethoxymalonate; DEMMe

Chemical Formula:C₈H₁₄O₄

Product Introduction

A colorless-to-pale liquid (or low-melt solid) ester with one methyl-substituted alpha carbon. It’s a versatile reagent for malonate chemistry—used in alkylations, Michael additions, and synthesis of erythromycin-like compounds and heterocycles.

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Physical & Chemical Properties

Property	Value
Appearance	Colorless to pale-yellow liquid
Purity	≥ 98 % (GC)
Boiling Point	~199 °C
Flash Point	~82 °C
Specific Gravity @ 20 °C	~1.02
Refractive Index (n₂₀ᴅ)	~1.41
Molecular Weight	174.20 g/mol
Solubility	Soluble in organics; slight water solubility

Applications

Malonate chemistry: Useful in Michael, alkylation, and Knoevenagel condensations for quaternary center formation.
Pharma/agrochemical syntheses: Employed in erythromycin analog manufacture and heterocycle building.
Research reagent: Valuable for complex molecule synthesis involving substituted malonates.