Description

Diethyl 2-Ethyl-2-Methylmalonate is a high-purity diester compound, a versatile malonate derivative widely used as a critical building block in organic synthesis. Its value lies in its role as a key intermediate for the production of pharmaceuticals, agrochemicals, and fine chemicals, enabling the construction of complex molecular architectures. This product is essential for R&D chemists and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for scalable synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing quaternary carbon centers or complex carboxylic acid derivatives.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where specific alkyl-substituted malonate structures are required.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds.
• Organic Synthesis Reagent: Employed in classic malonic ester synthesis for the introduction of ethyl and methyl groups, facilitating alkylation and condensation reactions.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent modifier in the development of specialized polymeric materials.
• Research & Development: A valuable reagent for academic and industrial R&D in medicinal chemistry and synthetic methodology development.

Basic Information

Product Name	Diethyl 2-Ethyl-2-Methylmalonate
CAS No.	2049-70-9
Molecular Formula	C10H18O4
Molecular Weight	202.25 g/mol
Synonyms	Diethyl 2-Ethyl-2-Methylpropanedioate; 2-Ethyl-2-Methylmalonic Acid Diethyl Ester; Ethyl 2-Ethyl-2-Methylmalonate; Propanedioic acid, 2-ethyl-2-methyl-, 1,3-diethyl ester; Diethyl α-Ethyl-α-Methylmalonate; Malonic acid, ethylmethyl-, diethyl ester
EINECS	218-067-5

Quality Control

Our Diethyl 2-Ethyl-2-Methylmalonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production requirements.

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 heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.425
Density (g/mL, 20°C)	1.000 - 1.020

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