Description

Diethyl Benzylidenemalonate is a versatile organic intermediate belonging to the class of malonate esters. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly through Knoevenagel condensation and Michael addition reactions. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for the production of active ingredients, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), including potential candidates for anti-inflammatory and central nervous system agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators, leveraging its reactive double bond for structural diversification.
• Fine Chemical Building Block: Serves as a starting material for synthesizing complex organic molecules, specialty polymers, and liquid crystals.
• Dye and Pigment Manufacturing: Employed in the synthesis of organic colorants and photochromic compounds due to its conjugated system.
• Research & Development: Utilized in academic and industrial R&D labs for method development and exploring new synthetic pathways in organic chemistry.
• Flavor and Fragrance Ingredient Synthesis: Acts as an intermediate for creating certain aromatic esters and compounds used in specialty formulations.

Basic Information

Product Name	Diethyl Benzylidenemalonate
CAS No.	5292-53-5
Molecular Formula	C14H16O4
Molecular Weight	248.28 g/mol
Synonyms	Benzylidenemalonic Acid Diethyl Ester; Diethyl (Benzylidene)malonate; Diethyl α-Benzylidenemalonate; Ethyl (Benzylidene)malonate; (Benzylidene)malonic Acid Diethyl Ester; Propenoic acid, 2-(phenylmethylene)-, 1,1-diethyl ester; 2-(Phenylmethylene)malonic Acid Diethyl Ester
EINECS	226-124-6

Quality Control

Our Diethyl Benzylidenemalonate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the high standards required for industrial and research applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay and impurity profiles. We are committed to supply reliability and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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