Description

Dioctyl Fumarate is a high-purity diester of fumaric acid, widely recognized for its excellent performance as a plasticizer and chemical intermediate. Its primary value lies in its ability to impart flexibility, durability, and low-temperature properties to polymer systems, making it a critical component in high-performance formulations. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and consistent raw materials for their production processes.

Application

• Primary Plasticizer for polyvinyl chloride (PVC), polyvinyl acetate (PVAc), and other synthetic resins to enhance flexibility and processability.
• Internal Plasticizer in the production of copolymer systems, contributing to permanent flexibility and improved mechanical properties.
• Chemical Intermediate for synthesizing specialty esters, lubricant additives, and other fine chemicals.
• Adhesive & Sealant Formulations, where it improves tack, adhesion, and low-temperature performance.
• Coating & Ink Modifier to increase film flexibility, reduce brittleness, and enhance pigment dispersion.
• Functional Fluid Component in specialty lubricants and hydraulic fluids due to its stability and low volatility.

Basic Information

Product Name	Dioctyl Fumarate
CAS No.	2997-85-5
Molecular Formula	C20H36O4
Molecular Weight	340.50 g/mol
Synonyms	Di-n-octyl fumarate; Fumaric acid, dioctyl ester; Octyl fumarate; DOF; Bis(2-ethylhexyl) fumarate (common trade isomer); 2-Ethylhexyl fumarate; EINECS 221-081-4
EINECS	221-081-4

Quality Control

Our Dioctyl Fumarate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including gas chromatography (GC) and infrared spectroscopy (IR), to verify identity and assay. Certificates of Analysis (COA) documenting purity, color, acidity, and moisture content are available for every batch 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 (15-25°C). Keep away from strong oxidizing agents, heat, and open flames.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Acidity (as Fumaric Acid)	≤ 0.1 %
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1 %
Specific Gravity (20°C)	0.935 - 0.945
Refractive Index (20°C)	1.450 - 1.455

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