Description

Diethyl Benzylmalonate is a versatile organic ester compound, widely recognized as a key synthetic intermediate in fine chemical manufacturing. Its value lies in its reactive malonate ester functionality, which enables efficient carbon-carbon bond formation under mild conditions. This makes it an essential building block for researchers and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to synthesize complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing substituted acetic acid or malonic acid derivatives.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require benzyl-protected active methylene groups.
• Fine Chemical Building Block: Employed in Knoevenagel condensations, Michael additions, and alkylation reactions to construct complex organic molecules for flavors, fragrances, and dyes.
• Research & Development: Serves as a standard reagent in organic chemistry laboratories for method development and the exploration of new synthetic pathways.
• Polymer Modifier: Can be utilized in the synthesis of specialty monomers or as a plasticizer intermediate in certain polymer formulations.

Basic Information

Product Name	Diethyl Benzylmalonate
CAS No.	607-81-8
Molecular Formula	C14H18O4
Molecular Weight	250.29 g/mol
Synonyms	Benzylmalonic Acid Diethyl Ester; Diethyl Benzylpropanedioate; Diethyl (Phenylmethyl)propanedioate; Propanedioic acid, (phenylmethyl)-, diethyl ester; Benzylmalonic Acid Ethyl Ester; Ethyl Benzylmalonate; NSC 404080
EINECS	210-154-9

Quality Control

Our Diethyl Benzylmalonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting standards for use in sensitive synthesis applications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality.

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 bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.488 - 1.492
Density (20°C)	1.08 - 1.12 g/cm³

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