Description

Diethyl Propylmalonate is a versatile diester compound, specifically the diethyl ester of propylmalonic acid, valued for its role as a key synthetic building block. Its primary importance lies in its active methylene group, which makes it a crucial intermediate in the synthesis of complex molecules through alkylation, condensation, and cyclization reactions. This product is essential for research chemists and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require high-purity intermediates for developing active ingredients and specialty compounds.

Application

• Pharmaceutical Intermediate: A key starting material in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing carboxylic acid or heterocyclic structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where its malonate structure is incorporated into the final molecule's backbone.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds requiring precise molecular construction.
• Organic Synthesis Reagent: Employed in classic reactions like the malonic ester synthesis for the preparation of substituted acetic acids and other carboxylic acid derivatives.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of novel polymers and functional materials.

Basic Information

Product Name	Diethyl Propylmalonate
CAS No.	2163-48-6
Molecular Formula	C10H18O4
Molecular Weight	202.25 g/mol
Synonyms	Diethyl Propylmalonate; Propylmalonic Acid Diethyl Ester; Diethyl Propylpropanedioate; Diethyl 2-Propylmalonate; Malonic Acid, Propyl-, Diethyl Ester; Propanedioic Acid, Propyl-, Diethyl Ester; 2163-48-6
EINECS	218-489-5

Quality Control

Our Diethyl Propylmalonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical testing, including GC/HPLC for assay and impurity profiling, to meet the stringent requirements of our B2B clients in regulated industries. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is supplied with every shipment.

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 oxidizing agents, strong bases, and sources of ignition.

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 (20°C)	1.010 - 1.030 g/mL

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