Description

Di-sec-Butyl Fumarate is a diester derivative of fumaric acid, valued for its role as a reactive intermediate and plasticizer in advanced polymer formulations. Its chemical structure provides excellent compatibility and modification properties for synthetic resins and coatings. This product is essential for manufacturers in the polymer, specialty chemical, and adhesive industries seeking to enhance material flexibility and processing characteristics.

Application

• Polymer Plasticizer: Used as a monomeric or co-monomeric plasticizer to improve the flexibility and workability of PVC, polyvinyl acetate, and other synthetic resins.
• Crosslinking Agent: Serves as a reactive intermediate in the production of cross-linked polymers and thermosetting resins.
• Synthetic Intermediate: A key building block in organic synthesis for pharmaceuticals, agrochemicals, and specialty chemicals.
• Coating Formulations: Incorporated into coating systems to modify film properties, enhance adhesion, and adjust drying times.
• Adhesive & Sealant Production: Used to tailor the viscosity, tack, and cure profile of industrial adhesives and sealants.
• Lubricant Additive: Functions as an additive in synthetic lubricants to improve performance characteristics.

Basic Information

Product Name	Di-sec-Butyl Fumarate
CAS No.	2210-32-4
Molecular Formula	C12H20O4
Molecular Weight	228.29 g/mol
Synonyms	Di-sec-butyl fumarate; sec-Butyl fumarate; Fumaric acid di-sec-butyl ester; 2-Butyl fumarate; Bis(1-methylpropyl) fumarate; DSBF; Di-sec-butyl (E)-but-2-enedioate
EINECS	218-661-8

Quality Control

Our Di-sec-Butyl Fumarate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, bases, and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. 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 to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as Fumaric Acid)	≤ 0.1%
Specific Gravity (20°C)	0.980 - 1.010
Refractive Index (20°C)	1.440 - 1.450

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