Description

2-Octynoic Acid (CAS NO 5663-96-7) is a versatile medium-chain alkyne carboxylic acid that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring a terminal alkyne and a carboxylic acid group, makes it a valuable precursor for creating complex molecules with tailored properties. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical sectors, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring alkyne functionalization.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or chain modifier in the creation of specialty polymers, coatings, and adhesives.
• Liquid Crystal & OLED Materials: A crucial precursor for synthesizing organic electronic materials and liquid crystal compounds.
• Flavor & Fragrance Industry: Employed in the synthesis of specific aroma chemicals and flavoring agents.
• Chemical Research & Development: Serves as a versatile reagent in click chemistry (e.g., CuAAC reactions) and other catalytic transformations.
• Corrosion Inhibitor Formulation: Used as an intermediate in the production of high-performance corrosion inhibitors for industrial applications.

Basic Information

Product Name	2-Octynoic Acid
CAS No.	5663-96-7
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Oct-2-ynoic acid; 2-Octynoic acid; Heptyl-1-yn-carboxylic acid; 1-Heptyne-1-carboxylic acid; 2-Octyn-1-oic acid; 1-Carboxy-1-heptyne; 1-Heptyn-1-carboxylic acid
EINECS	227-103-7

Quality Control

Our 2-Octynoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its acidic nature, store separately from strong bases, oxidizing agents, and reactive metals. The container must be kept tightly sealed to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.