Description

Ethyl 4,4-Dimethylpent-2-enoate is a high-purity, unsaturated ester building block valued for its unique sterically hindered structure. This compound is essential for advanced organic synthesis, particularly in the development of complex molecules where its gem-dimethyl group adjacent to the double bond offers significant control over reaction pathways. It serves as a critical intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific functional groups and chiral centers.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring sterically hindered alkene or ester functionalities.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to the biological activity and stability of the final product.
• Flavor and Fragrance Ingredient: Serves as a precursor for the synthesis of esters and lactones that impart fruity or creamy notes in high-value fragrance and flavor formulations.
• Polymer Chemistry: Acts as a monomer or co-monomer in specialty polymerizations, contributing to polymers with tailored properties like flexibility, adhesion, or UV resistance.
• Organic Synthesis Building Block: Employed in Michael additions, Diels-Alder reactions, and hydrogenation processes to construct complex carbon skeletons in fine chemical production.
• Material Science Research: Utilized in the development of novel organic materials, including liquid crystals and organic semiconductors.

Basic Information

Product Name	Ethyl 4,4-Dimethylpent-2-enoate
CAS No.	87995-20-8
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	Ethyl 4,4-Dimethyl-2-pentenoate; 4,4-Dimethyl-2-pentenoic Acid Ethyl Ester; 2-Pentenoic Acid, 4,4-Dimethyl-, Ethyl Ester; Ethyl 4,4-Dimethylpent-2-enoate; 87995-20-8; (E)-Ethyl 4,4-dimethylpent-2-enoate; (Z)-Ethyl 4,4-dimethylpent-2-enoate; Ethyl 4,4-dimethyl-δ2-pentenoate
EINECS	Contact for details

Quality Control

Our Ethyl 4,4-Dimethylpent-2-enoate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to prevent evaporation and minimize moisture uptake.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Isomeric Purity (GC)	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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