Description

Bis-(4-Methylphenyl) Malonate is a high-purity organic chemical intermediate characterized by its malonate diester structure with two para-tolyl groups. This compound matters for its role as a versatile building block in the synthesis of more complex molecules, offering a balance of reactivity and stability for advanced chemical manufacturing. It is primarily needed by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty polymer industries for creating active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a malonate-derived moiety.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent in the production of specialty polymers, coatings, and adhesives to modify physical properties.
• Organic Synthesis Building Block: Employed in research and development for Knoevenagel condensations, Michael additions, and other C-C bond-forming reactions.
• Liquid Crystal & Electronic Material Precursor: Utilized in the synthesis of organic components for liquid crystal displays (LCDs) and other electronic applications.
• Dye & Pigment Intermediate: Acts as a starting material in the manufacture of certain complex dyes and organic pigments.

Basic Information

Product Name	Bis-(4-Methylphenyl) Malonate
CAS No.	15014-23-0
Molecular Formula	C19H18O4
Molecular Weight	310.35 g/mol
Synonyms	Di-p-tolyl malonate; Bis(4-methylphenyl) propanedioate; Dimethylphenyl malonate; Propanedioic acid, bis(4-methylphenyl) ester; 1,3-Bis(4-methylphenyl) malonate; Malonic acid, di-p-tolyl ester; p-Tolyl malonate
EINECS	Contact for details

Quality Control

Our Bis-(4-Methylphenyl) Malonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for sensitive synthetic applications. Certificates of Analysis (COA) with detailed specifications for identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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