Description

3-Butenoic Acid, 2,2-Dimethyl-, Ethyl Ester is a specialized, highly volatile ester derivative valued for its role as a versatile chemical intermediate in advanced organic synthesis. Its unique structure, featuring a terminal alkene and a sterically hindered ester group, makes it a critical building block for constructing complex molecular frameworks. This compound is essential for R&D and production chemists in the pharmaceutical, agrochemical, and specialty polymer industries seeking to introduce specific functional groups into target molecules.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs), particularly for introducing the 2,2-dimethylbut-3-enoate moiety.
• Agrochemical Synthesis: Used in the manufacture of advanced herbicides, fungicides, and plant growth regulators requiring specific alkenoate structures.
• Specialty Polymer Monomer: Acts as a co-monomer or functionalizing agent in the synthesis of specialty polymers with tailored properties like flexibility or reactivity.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, Michael additions, and other carbon-carbon bond-forming reactions in fine chemical production.
• Flavor & Fragrance Ingredient Synthesis: Utilized as a precursor for creating esters with specific fruity or green olfactory notes.
• Crosslinking Agent: Functions in formulations for coatings, adhesives, and resins where the alkene group participates in curing or crosslinking reactions.

Basic Information

Product Name	3-Butenoic Acid, 2,2-Dimethyl-, Ethyl Ester
CAS No.	58544-20-0
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	Ethyl 2,2-Dimethyl-3-butenoate; 2,2-Dimethyl-3-butenoic Acid Ethyl Ester; 3-Butenoic acid, 2,2-dimethyl-, ethyl ester; Ethyl 2,2-dimethylbut-3-enoate; But-3-enoic acid, 2,2-dimethyl-, ethyl ester; 2,2-Dimethylvinylacetic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Every batch of 3-Butenoic Acid, 2,2-Dimethyl-, Ethyl Ester is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as assay, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.415 - 1.425
Density (20°C)	0.89 - 0.92 g/mL

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