Description

2-Butenedioic Acid(Z)-Bis(Phenyl Methyl)Ester is a high-purity organic ester derivative of maleic acid, specifically the Z-isomer (cis-configuration). This compound is valued for its role as a versatile chemical intermediate and monomer in advanced polymer synthesis. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for applications requiring specific reactivity and structural properties.

Application

• Polymer & Resin Production: Acts as a key monomer or co-monomer in the synthesis of specialty polymers, including alkyd resins, unsaturated polyester resins (UPR), and polyurethane dispersions (PUDs).
• Crosslinking Agent: Used in formulations for coatings, adhesives, and sealants to enhance film properties, durability, and chemical resistance.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Plasticizer & Modifier: Employed as a specialty plasticizer or modifier to alter the flexibility, processing, and performance characteristics of various plastic materials.
• Chemical Synthesis: Utilized in organic synthesis for Diels-Alder reactions and other transformations to create complex molecular structures.
• Research & Development: Serves as a high-purity reference standard and reagent in academic and industrial R&D laboratories.

Basic Information

Product Name	2-Butenedioic Acid(Z)-Bis(Phenyl Methyl)Ester
CAS No.	622-06-0
Molecular Formula	C18H16O4
Molecular Weight	296.32 g/mol
Synonyms	Dimethyl Z-Maleate; (Z)-Butenedioic Acid Dimethyl Ester; cis-1,2-Ethylenedicarboxylic Acid Dimethyl Ester; Maleic Acid Dimethyl Ester (cis-); Dimethyl (Z)-2-Butenedioate; Methyl Maleate; Dimethyl Maleate (cis-); (Z)-Dimethyl Maleate
EINECS	210-718-6

Quality Control

Every batch of 2-Butenedioic Acid(Z)-Bis(Phenyl Methyl)Ester is manufactured under a strict quality management system. We provide comprehensive analytical testing to ensure product identity, purity, and consistency meet the high standards required for industrial and research applications. A detailed Certificate of Analysis (COA) is available for each lot, confirming compliance with agreed specifications.

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 heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Isomeric Purity (Z-Isomer)	≥ 97.0%
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.