Description

Dioctyl (E)-But-2-Enedioate is a high-purity diester derivative of fumaric acid, valued for its performance as a specialized solvent and intermediate in demanding chemical formulations. Its primary commercial value lies in its compatibility with strong acids and organic solvents, making it a robust choice for challenging environments. This product is essential for manufacturers in the chemical synthesis, polymer processing, and specialty coatings industries seeking reliable, high-performance raw materials.

Application

• As a high-boiling, stable solvent and plasticizer for specialty polymers and resins.
• An intermediate in the synthesis of complex organic molecules and fine chemicals.
• A key component in formulating industrial coatings and inks requiring acid and solvent resistance.
• Use in lubricant and grease formulations where chemical stability is paramount.
• As a processing aid or reaction medium in chemical manufacturing involving strong acids.
• Potential use in the production of adhesives and sealants with specific performance requirements.

Basic Information

Product Name	Dioctyl (E)-But-2-Enedioate
CAS No.	68921-50-6
Molecular Formula	C20H36O4
Molecular Weight	340.50 g/mol
Synonyms	Di-n-octyl fumarate; Dioctyl fumarate; Fumaric acid, dioctyl ester; (E)-But-2-enedioic acid dioctyl ester; Octyl fumarate; Bis(octyl) fumarate; 2-Butenedioic acid (E)-, dioctyl ester; 68921-50-6
EINECS	Contact for details

Quality Control

Our Dioctyl (E)-But-2-Enedioate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 incompatible materials such as strong oxidizing agents. Due to its chemical nature, ensure containers are kept tightly sealed to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.1%
Specific Gravity (20°C)	0.930 - 0.950
Refractive Index (20°C)	1.450 - 1.460

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