Description

5-Methyl-4-Hexenoic Acid Methyl Ester is a specialized unsaturated ester with a unique branched-chain structure, serving as a valuable intermediate in advanced organic synthesis. This compound is prized for its role in constructing complex molecular frameworks, particularly in the fragrance, flavor, and pharmaceutical sectors. Industrial R&D chemists and manufacturers in fine chemicals and agrochemicals utilize this ester for its reactivity and as a precursor to more complex target molecules.

Application

• Fragrance and Flavor Intermediate: A key building block for synthesizing esters and lactones that contribute fruity, green, or floral notes to perfumes and food flavorings.
• Pharmaceutical Synthesis: Used as a chiral synthon or intermediate in the research and development of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Production: Acts as a precursor in the manufacture of certain pesticides, herbicides, and plant growth regulators requiring specific aliphatic chain architectures.
• Fine Chemical Manufacturing: Employed in organic synthesis for carbon chain elongation, Michael addition reactions, and the production of other specialty esters and acids.
• Polymer Modification: Can be used to introduce functional side chains into polymers, potentially modifying properties like flexibility or hydrophobicity.
• Research & Development: A valuable reagent in academic and industrial laboratories for methodological studies in organic chemistry and catalysis.

Basic Information

Item	Detail
Product Name	5-Methyl-4-Hexenoic Acid Methyl Ester
CAS No.	35901-76-9
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	Methyl 5-methyl-4-hexenoate; 4-Hexenoic acid, 5-methyl-, methyl ester; Methyl 5-methylhex-4-enoate; 5-Methyl-4-hexenoic acid methyl ester; 4-Hexenoic acid, 5-methyl-, methyl ester (9CI); Methyl 5-methyl-4-hexenoate; 5-Methylhex-4-enoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 5-Methyl-4-Hexenoic Acid Methyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.425 - 1.435
Density (g/mL, 20°C)	0.89 - 0.91

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