Description

Methyl (2E)-3,4,4-Trimethylpent-2-Enoate CAS NO 16466-25-4 is a specialized unsaturated ester, valued as a versatile chemical intermediate and building block in advanced organic synthesis. Its unique branched alkene structure makes it particularly useful for introducing sterically hindered motifs into target molecules. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules, particularly those requiring specific, hindered olefin geometries.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure can contribute to biological activity and stability.
• Flavor & Fragrance Ingredient: Acts as a building block for creating unique ester-based aroma compounds with fruity or green notes.
• Polymer & Resin Modifier: Incorporated as a co-monomer or cross-linking agent to alter the physical properties of polymers, such as flexibility and glass transition temperature.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions, Michael additions, and other carbon-carbon bond-forming transformations in research and fine chemical production.
• Lubricant & Fuel Additive Component: Used in the development of specialty esters that enhance performance characteristics like viscosity index and thermal stability.

Basic Information

Product Name	Methyl (2E)-3,4,4-Trimethylpent-2-Enoate
CAS No.	16466-25-4
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	Methyl 3,4,4-Trimethyl-2-pentenoate; (2E)-3,4,4-Trimethyl-2-pentenoic Acid Methyl Ester; Methyl trans-3,4,4-Trimethylpent-2-enoate; 2-Pentenoic acid, 3,4,4-trimethyl-, methyl ester, (2E)-; Methyl β,β,γ-Trimethylallylacetate; 3,4,4-Trimethyl-2-pentenoic acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl (2E)-3,4,4-Trimethylpent-2-Enoate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance and regulatory needs.

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 strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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