Description

Bis(2-Ethylhexyl) Maleate is a high-purity diester of maleic acid, widely recognized for its role as a reactive intermediate and plasticizer. Its molecular structure makes it a valuable monomer for copolymerization, contributing to the flexibility and durability of final polymer products. This chemical is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to modify material properties and enhance product performance.

Application

• Primary monomer for the production of specialty copolymers and resins.
• Key intermediate in the synthesis of surfactants and lubricant additives.
• Plasticizer and modifier for PVC and other polymer systems to improve flexibility.
• Raw material for the manufacture of oil-based industrial coatings and adhesives.
• Intermediate in organic synthesis for pharmaceutical and agrochemical applications.
• Component in sealants and caulks to enhance elasticity and adhesion.

Basic Information

Product Name	Bis(2-Ethylhexyl) Maleate
CAS No.	142-16-5
Molecular Formula	C20H36O4
Molecular Weight	340.50 g/mol
Synonyms	Di(2-ethylhexyl) Maleate; Dioctyl Maleate (DOM); Maleic Acid Di(2-ethylhexyl) Ester; Bis(2-ethylhexyl) (Z)-Butenedioate; 2-Ethylhexyl Maleate; Di(2-ethylhexyl) Maleate; Maleic Acid Dioctyl Ester; Octyl Maleate
EINECS	205-524-5

Quality Control

Our Bis(2-Ethylhexyl) Maleate is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous internal specifications, which typically include identity confirmation, assay, and impurity profile checks. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

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, heat, and ignition sources to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Acidity (as Maleic Acid)	≤ 0.1 %
Water Content (KF)	≤ 0.1 %
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.942 - 0.952
Refractive Index (20°C)	1.453 - 1.457

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