Description

Ditert-Butyl But-2-Enedioate is a high-purity diester derivative of fumaric acid, widely recognized as a versatile chemical intermediate and building block in advanced organic synthesis. Its value lies in its ability to act as a protected form of the dicarboxylic acid, facilitating controlled reactions in the production of specialty polymers, pharmaceuticals, and fine chemicals. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and performance materials industries seeking reliable, high-quality intermediates for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: Serves as a key protected monomer in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer Chemistry: Acts as a diester monomer for the production of specialty polyesters, polyamides, and other functional polymers.
• Agrochemical Synthesis: Used in the manufacture of advanced crop protection agents and herbicide intermediates.
• Fine Chemical Production: Employed as a building block for synthesizing complex organic molecules, including flavors, fragrances, and dyes.
• Crosslinking Agent: Functions in formulations for coatings, adhesives, and elastomers where controlled crosslinking is required.
• Organic Synthesis Reagent: Utilized in Diels-Alder reactions and other cycloadditions due to its activated alkene structure.

Basic Information

Product Name	Ditert-Butyl But-2-Enedioate
CAS No.	7633-38-7
Molecular Formula	C12H20O4
Molecular Weight	228.29 g/mol
Synonyms	Di-tert-butyl fumarate; Fumaric Acid Di-tert-butyl Ester; 2-Butenedioic Acid (2E)-, 1,4-Bis(1,1-dimethylethyl) Ester; DTBF; tert-Butyl Fumarate; Bis(tert-butyl) fumarate; (E)-Di-tert-butyl but-2-enedioate
EINECS	231-575-8

Quality Control

Our Ditert-Butyl But-2-Enedioate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing purity, physical characteristics, and chromatographic data are provided with every shipment and are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 10 ppm

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