Description

2-Pentynoic Acid is a versatile alkyne-containing carboxylic acid, serving as a critical building block in advanced organic synthesis. Its terminal alkyne and carboxylic acid functionalities make it a valuable intermediate for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific structural motifs into their products.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating molecules with alkyne linkages for click chemistry or as structural components.
• Agrochemical Synthesis: Serves as a key precursor in the development of novel herbicides, fungicides, and plant growth regulators.
• Specialty Polymer Monomer: Employed in the production of polymers with unique properties, such as increased thermal stability or specific reactivity, for advanced material science applications.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create sophisticated ligands for catalytic systems.
• Fine Chemical Production: Acts as a starting material or intermediate in the multi-step synthesis of complex fragrances, flavors, and dyes.
• Academic and R&D: A valuable reagent for methodological development in organic chemistry and for exploring new reaction pathways in laboratory settings.

Basic Information

Product Name	2-Pentynoic Acid
CAS No.	5963-77-9
Molecular Formula	C5H6O2
Molecular Weight	98.10 g/mol
Synonyms	Pent-2-ynoic acid; 2-Pentynoic acid; Propiolic acid, ethyl-; Ethylpropiolic acid; 2-Butyne-1-carboxylic acid; 3-Carboxy-1-butyne; NSC 5111
EINECS	227-764-9

Quality Control

Our 2-Pentynoic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided to guarantee traceability and batch-to-batch consistency.

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. The container should be kept tightly sealed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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