Description

3-Octenoic Acid is a monounsaturated medium-chain fatty acid characterized by its carboxylic acid functional group and an eight-carbon backbone with a double bond at the 3-position. This unique structure makes it a valuable chemical intermediate and building block for synthesizing more complex molecules. It is primarily utilized in the production of flavors, fragrances, pharmaceuticals, and specialty polymers where precise molecular architecture is required.

Application

• Flavor and Fragrance (F&F) Intermediate: Serves as a key precursor in the synthesis of esters and lactones that contribute fruity, creamy, or fatty notes to food flavorings and perfumery compounds.
• Pharmaceutical Synthesis: Used as a chiral building block or intermediate in the research and development of active pharmaceutical ingredients (APIs), particularly those requiring specific olefinic acid motifs.
• Polymer Chemistry: Acts as a monomer or co-monomer in the production of specialty polymers, including polyesters and polyamides, to modify properties like flexibility, hydrophobicity, or biodegradability.
• Agrochemical Intermediates: Employed in the synthesis of certain pesticides and herbicides, where its alkenoic acid structure is incorporated into the final active molecule.
• Lubricant Additives: Used in the formulation of synthetic lubricants and metalworking fluids as a corrosion inhibitor or to enhance specific performance characteristics.
• Research & Development: A valuable reagent in organic chemistry research for studying addition reactions, cross-coupling, and other transformations of unsaturated carboxylic acids.

Basic Information

Product Name	3-Octenoic Acid
CAS No.	1577-19-1
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	(E)-3-Octenoic Acid; trans-3-Octenoic Acid; 3-Octensäure (German); β-Octenoic Acid; (E)-Oct-3-enoic Acid; 3-Octene-1-carboxylic Acid; NSC 66495; FA 3:1 (n-5)
EINECS	216-401-6

Quality Control

Our 3-Octenoic Acid is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes data from GC, HPLC, and NMR analyses. Our quality commitment ensures the material meets the precise requirements for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
(E)-Isomer Content (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.450
Specific Gravity (20°C)	0.920 - 0.935

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