Description

Dimethyl 4,4'-[oxybis(benzene-4,1-diylimino)]bis(4-oxobutanoate) is a high-purity, specialized organic intermediate featuring a symmetrical bis-ester and bis-amide structure. This compound is valued for its role as a critical building block in the synthesis of advanced polymers and functional materials, where its precise molecular architecture enables the creation of materials with tailored properties. It is essential for R&D and production in industries such as specialty polymers, liquid crystal materials, and advanced organic electronics, where consistent quality and reliable supply are paramount.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyamides, polyimides, and other specialty polymers requiring thermal stability and mechanical strength.
• Liquid Crystal Materials: Serves as a core intermediate in the manufacture of liquid crystal compounds for display technologies.
• Pharmaceutical Intermediates: Used in the research and development of complex active pharmaceutical ingredients (APIs).
• Organic Electronics: A precursor for materials used in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Crosslinking Agents: Functions as a crosslinker in epoxy resins and other thermoset systems to enhance network density and performance.
• Dye and Pigment Intermediates: Employed in the synthesis of advanced colorants and functional dyes.

Basic Information

Product Name	Dimethyl 4,4'-[oxybis(benzene-4,1-diylimino)]bis(4-oxobutanoate)
CAS No.	306325-61-1
Molecular Formula	C26H28N2O8
Molecular Weight	496.51 g/mol
Synonyms	Dimethyl 4,4'-[oxybis(4,1-phenylenecarbonylimino)]dibutanoate; 4,4'-[Oxybis(4,1-phenylenecarbonylimino)]bis[4-oxobutanoic acid] dimethyl ester; Bis[4-(methoxycarbonyl)-4-oxobutyl] 4,4'-oxybis(benzamide); N,N'-[Oxybis(4,1-phenylenecarbonyl)]bis[4-(methoxycarbonyl)butyramide]; 4,4'-Oxybis[N-[4-(methoxycarbonyl)butanoyl]benzamide]; CAS 306325-61-1
EINECS	Contact for details

Quality Control

Our Dimethyl 4,4'-[oxybis(benzene-4,1-diylimino)]bis(4-oxobutanoate) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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