Description

Dioctyl Maleate is a high-purity diester of maleic acid, widely recognized for its excellent plasticizing properties and chemical reactivity. This versatile intermediate is crucial for formulators seeking to enhance the flexibility, durability, and processing characteristics of polymer systems. It is primarily utilized by manufacturers in the plastics, coatings, and specialty chemical industries for producing high-performance materials.

Application

• As a plasticizer and co-monomer in the production of polyvinyl chloride (PVC), polyvinyl acetate (PVA), and other polymer resins to improve flexibility and low-temperature performance.
• As a key chemical intermediate in the synthesis of specialty surfactants, lubricant additives, and corrosion inhibitors.
• In the formulation of adhesives, sealants, and coatings to modify film properties and enhance adhesion.
• As a reactive diluent and viscosity modifier in unsaturated polyester resins and radiation-curable systems.
• In the production of copolymer emulsions for textiles, paper treatment, and leather finishing applications.
• For research and development purposes in organic synthesis and material science.

Basic Information

Product Name	Dioctyl Maleate
CAS No.	2915-53-9
Molecular Formula	C20H36O4
Molecular Weight	340.50 g/mol
Synonyms	Bis(2-ethylhexyl) maleate; Di(2-ethylhexyl) maleate; DOM; Maleic acid dioctyl ester; Octyl maleate; 2-Ethylhexyl maleate; Dioctyl maleinate; BEHM
EINECS	220-835-6

Quality Control

Our Dioctyl Maleate is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications for purity, color, and acidity. A Certificate of Analysis (COA) documenting these results is available for each shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1 %
Refractive Index (20°C)	1.452 - 1.456
Density (20°C)	0.942 - 0.948 g/mL

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