Description

T-Butyl Methyl Fumarate is a high-purity, specialty ester derivative of fumaric acid. This compound serves as a versatile and critical chemical intermediate and monomer in advanced synthesis and polymer production. It is essential for manufacturers in the pharmaceutical, agrochemical, and performance polymer industries seeking reliable, high-quality building blocks for complex chemical processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a protected fumarate moiety.
• Polymer & Resin Production: Acts as a key monomer or co-monomer in the manufacture of specialty polymers, coatings, and adhesives, contributing to cross-linking and durability.
• Agrochemical Synthesis: Serves as a building block for creating advanced crop protection agents and herbicides.
• Organic Synthesis: Employed as a protected form of fumaric acid in multi-step organic reactions, including Michael additions and polymerizations.
• Cross-linking Agent: Utilized in formulations for thermosetting resins to enhance thermal and mechanical properties.
• Research & Development: A valuable reagent for chemical R&D in academic and industrial laboratories exploring new synthetic pathways.

Basic Information

Product Name	T-Butyl Methyl Fumarate
CAS No.	55556-66-6
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	tert-Butyl Methyl Fumarate; Methyl tert-Butyl Fumarate; 2-Methyl-2-propyl methyl (2E)-2-butenedioate; (E)-tert-Butyl Methoxycarbonylacrylate; Fumaric Acid Mono-tert-Butyl Ester Methyl Ester; (E)-Methoxycarbonylacrylic Acid tert-Butyl Ester; TBME Fumarate
EINECS	Contact for details

Quality Control

Our T-Butyl Methyl Fumarate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. A Certificate of Analysis (COA) detailing specific test results, including assay and impurity profiles, is provided with each shipment to guarantee traceability and compliance with your specifications.

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 heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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