Description

Diisooctyl Maleate is a high-purity diester of maleic acid, widely recognized in the chemical industry for its excellent performance as a plasticizer and reactive intermediate. Its primary value lies in its ability to impart flexibility, durability, and processing benefits to polymer systems, making it a critical component in advanced material formulations. This product is essential for manufacturers in the plastics, coatings, and specialty chemical sectors seeking reliable, high-quality raw materials for their production processes.

Application

• Primary plasticizer and co-monomer in the production of PVC, polyvinyl acetate, and other synthetic resins.
• Key intermediate in the synthesis of specialty polymers, including copolymers for adhesives and coatings.
• Used as a viscosity modifier and lubricant additive in industrial fluids and greases.
• Employed in the formulation of sealants and caulking compounds to enhance flexibility and adhesion.
• Acts as a reactive diluent and crosslinking agent in radiation-curable coatings and inks.
• Component in the manufacture of surfactants and lubricant esters for various industrial applications.

Basic Information

Product Name	Diisooctyl Maleate
CAS No.	1330-76-3
Molecular Formula	C20H36O4
Molecular Weight	340.50 g/mol
Synonyms	Bis(6-methylheptyl) maleate; Bis(iso-octyl) maleate; Di(iso-octyl) maleate; Maleic acid diisooctyl ester; Dioctyl maleate (mixed isomers); DIOM; 6-Methylheptyl hydrogen maleate; EINECS 215-542-5
EINECS	215-542-5

Quality Control

Our Diisooctyl Maleate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to meet exacting industry specifications. A detailed Certificate of Analysis (COA) documenting purity, physical properties, and compliance is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.940 - 0.960
Refractive Index (20°C)	1.452 - 1.458

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