Description

Propiolic Acid Sodium Salt is a versatile organic salt derived from propiolic acid, serving as a key synthetic intermediate and building block in advanced chemical manufacturing. Its value lies in its reactivity as an alkyne source, enabling the construction of complex molecular architectures through coupling and cycloaddition reactions. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise and reliable starting materials are critical for process development.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing acetylene or heterocyclic structures.
• Agrochemical Synthesis: Acts as a key precursor for developing novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in Sonogashira coupling, Huisgen cycloaddition (click chemistry), and other metal-catalyzed cross-coupling reactions.
• Ligand and Catalyst Preparation: Useful for synthesizing specialized ligands and organometallic catalysts used in homogeneous catalysis.
• Material Science Research: Serves as a monomer or modifier in the development of polymers and advanced materials with specific optical or electronic properties.
• Bioconjugation Chemistry: Utilized for labeling biomolecules (proteins, nucleic acids) due to its reactive alkyne functionality.

Basic Information

Product Name	Propiolic Acid Sodium Salt
CAS No.	920-38-7
Molecular Formula	C3HNaO2
Molecular Weight	92.04 g/mol
Synonyms	Sodium Propiolate; Sodium Acetylenedicarboxylate (mono-salt); Sodium 2-Propynoate; Propynoic Acid Sodium Salt; Acetylenecarboxylic Acid Sodium Salt; Sodium Propiolate Monohydrate (when applicable); Propiolic Acid, Sodium Salt; 2-Propynoic Acid, Sodium Salt
EINECS	213-057-8

Quality Control

Our Propiolic Acid Sodium Salt is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, physical characteristics, and test results (e.g., by HPLC, titration) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under dry, inert conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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