Description

Diethyl Ethyl(1-Methylpropyl)Malonate is a high-purity malonate ester derivative, serving as a versatile and critical building block in advanced organic synthesis. Its value lies in its ability to introduce complex branched alkyl chains, enabling the construction of sophisticated molecular architectures. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring specific branched carbon frameworks.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where tailored side-chain properties are crucial for bioactivity.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds requiring precise structural control.
• Material Science Research: Employed in the development of novel polymers, ligands for catalysis, and organic electronic materials.
• Academic & R&D Laboratories: A valuable reagent for methodological development in organic chemistry and the exploration of new synthetic pathways.

Basic Information

Product Name	Diethyl Ethyl(1-Methylpropyl)Malonate
CAS No.	76-71-1
Molecular Formula	C₁₂H₂₂O₄
Molecular Weight	230.30 g/mol
Synonyms	Diethyl 2-Ethyl-2-(1-methylpropyl)malonate; Diethyl Ethyl(sec-Butyl)Malonate; Ethyl(1-Methylpropyl)Malonic Acid Diethyl Ester; Diethyl Ethyl-sec-Butylmalonate; Propanedioic acid, [ethyl(1-methylpropyl)]-, diethyl ester; 2-Ethyl-2-(1-methylpropyl)malonic acid diethyl ester; Diethyl ethyl(1-methylpropyl)propanedioate
EINECS	200-980-1

Quality Control

Our Diethyl Ethyl(1-Methylpropyl)Malonate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

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, and open flame. The container should be kept tightly closed when not in use to minimize moisture uptake and prevent contamination.

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)	1.425 - 1.435
Density (20°C)	0.98 - 1.00 g/mL

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