Description

Diethyl 2-[(4-Methylphenyl)Methylenemalonate] is a high-purity organic intermediate characterized by its conjugated ester structure. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the construction of complex molecular frameworks. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical and fine chemical sectors for developing active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for compounds requiring a malonate-derived core.
• Fine Chemical Synthesis: Utilized in the production of specialty chemicals, including dyes, pigments, and advanced polymeric materials.
• Agrochemical Research: Serves as a building block for developing new herbicides, fungicides, and plant growth regulators.
• Material Science: Used in the research and development of organic electronic materials and non-linear optical (NLO) compounds.
• Academic & R&D: A valuable reagent for methodological development in organic chemistry, including studies on Knoevenagel condensation reactions.

Basic Information

Product Name	Diethyl 2-[(4-Methylphenyl)Methylenemalonate]
CAS No.	14111-33-2
Molecular Formula	C15H18O4
Molecular Weight	262.30 g/mol
Synonyms	Diethyl (4-Methylbenzylidene)malonate; Diethyl p-Tolylmethylenemalonate; 2-[(4-Methylphenyl)Methylene]propanedioic Acid Diethyl Ester; Propanedioic acid, 2-[(4-methylphenyl)methylene]-, diethyl ester; Ethyl (4-Methylbenzylidene)malonate; EMME (p-Tolyl)
EINECS	Contact for details

Quality Control

Our Diethyl 2-[(4-Methylphenyl)Methylenemalonate] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment and is available upon request.

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 oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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