Description

Propiolic Acid is a highly reactive terminal alkyne and carboxylic acid, serving as a versatile bifunctional building block in advanced organic synthesis. Its unique structure enables efficient carbon-carbon bond formation, making it invaluable for constructing complex molecular architectures. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to synthesize active ingredients and functional materials.

Application

• Pharmaceutical Intermediates: Key starting material for synthesizing APIs, including antiviral and anticancer compounds.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Monomer for producing specialty polymers with tailored properties via click chemistry reactions.
• Ligand and Catalyst Development: Precursor for synthesizing complex ligands used in homogeneous catalysis.
• Fine Chemical Production: Intermediate in the manufacture of dyes, flavors, and fragrances.
• Material Science Research: Used in surface modification and the development of advanced organic materials.

Basic Information

Product Name	Propiolic Acid
CAS No.	471-25-0
Molecular Formula	C₃H₂O₂
Molecular Weight	70.05 g/mol
Synonyms	Acetylene carboxylic acid; Propynoic acid; 2-Propynoic acid; Ethynylformic acid; Propiolic acid (8CI); HC≡CCOOH; Acetylenecarboxylic acid; Propionic acid, 2-yn-
EINECS	207-436-4

Quality Control

Our Propiolic Acid is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We adhere to relevant industry standards and our specifications are designed to meet the rigorous demands of research and commercial synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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