Description

Ethyl Malonate CAS NO 145601-68-9 is a high-purity diester of malonic acid, serving as a versatile and critical building block in advanced organic synthesis. Its value lies in its role as a key reagent for introducing the malonate moiety, enabling the construction of complex molecular frameworks through classic condensation and alkylation reactions. This product is essential for research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key starting material in the synthesis of active pharmaceutical ingredients (APIs), particularly for barbiturates and other heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides, where it acts as a precursor for various active ingredients.
• Fine Chemical Production: Employed in the manufacture of flavors, fragrances, dyes, and other specialty chemicals via Knoevenagel condensations and Michael additions.
• Polymer Chemistry: Functions as a monomer or cross-linking agent in the synthesis of specialized polymers and resins.
• Organic Synthesis Research: A fundamental reagent in academic and industrial R&D for carbon-carbon bond formation and the synthesis of carboxylic acids, ketones, and other derivatives.
• Electrolyte Additive: Investigated for use in lithium-ion battery electrolytes to improve stability and performance.

Basic Information

Product Name	Ethyl Malonate
CAS No.	145601-68-9
Molecular Formula	C7H12O4
Molecular Weight	160.17 g/mol
Synonyms	Diethyl Malonate; Diethyl Propanedioate; Malonic Acid Diethyl Ester; Ethyl Malonate; DEM; Diethyl Methanedicarboxylate; Propanedioic Acid, Diethyl Ester; Diethyl Malonic Ester
EINECS	Contact for details

Quality Control

Our Ethyl Malonate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing specific results for identity, assay, and impurity profiles are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The container should be kept tightly sealed when not in use to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.413 - 1.415
Density (20°C)	1.050 - 1.070 g/mL

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.