Description

Diethyl (Diphenylmethylene)Malonate is a versatile malonate derivative characterized by its diphenylmethylene moiety. This compound serves as a critical synthetic intermediate, valued for its ability to act as a Michael acceptor and a precursor to complex carboxylic acid derivatives. It is primarily utilized by researchers and manufacturers in the pharmaceutical and fine chemical industries for the synthesis of active pharmaceutical ingredients (APIs) and advanced organic materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in the preparation of specialty chemicals, dyes, and pigments.
• Organic Synthesis Reagent: Acts as a Michael acceptor in carbon-carbon bond-forming reactions and as a precursor to substituted malonic acids and esters.
• Material Science Research: Employed in the development of novel polymers and organic electronic materials.
• Agrochemical Development: Intermediate in the research and synthesis of new crop protection agents.

Basic Information

Product Name	Diethyl (Diphenylmethylene)Malonate
CAS No.	24824-36-0
Molecular Formula	C20H20O4
Molecular Weight	324.37 g/mol
Synonyms	Diethyl (Diphenylmethylene)Malonate; Diethyl 2,2-Diphenylvinylidene Malonate; (Diphenylmethylene)propanedioic Acid Diethyl Ester; Diethyl (Diphenylmethylidene)Malonate; Propanedioic acid, (diphenylmethylene)-, diethyl ester; Diethyl α,α-Diphenylmethylidenemalonate; Ethyl (Diphenylmethylene)Malonate; Malonic acid, (diphenylmethylene)-, diethyl ester
EINECS	Contact for details

Quality Control

Our Diethyl (Diphenylmethylene)Malonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets high-purity standards for research and industrial use. Certificates of Analysis (COA) detailing specific batch results are available upon request.

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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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