Description

Acetylenedicarboxylic Acid Monopotassium Salt is the monopotassium salt of acetylenedicarboxylic acid, a key synthetic intermediate known for its reactive acetylene moiety. This compound is valued for its role in organic synthesis, particularly in cycloaddition reactions and the preparation of heterocyclic compounds. It is primarily utilized by research institutions and chemical manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors.

Application

• Key intermediate in organic synthesis for building complex molecular frameworks.
• Precursor in the synthesis of heterocyclic compounds for pharmaceutical research.
• Building block for specialty polymers and advanced materials.
• Reagent in cycloaddition reactions, such as Diels-Alder reactions.
• Used in academic and industrial research for method development.
• Potential intermediate in the synthesis of agrochemical active ingredients.

Basic Information

Product Name	Acetylenedicarboxylic Acid Monopotassium Salt
CAS No.	928-04-1
Molecular Formula	C4HO4K
Molecular Weight	152.14 g/mol
Synonyms	Potassium Hydrogen Acetylenedicarboxylate; Monopotassium Acetylenedicarboxylate; Acetylenedicarboxylic Acid Potassium Salt (1:1); 2-Butynedioic Acid, Monopotassium Salt; Potassium 3-carboxypropiolate; Propiolic acid, 3-carboxy-, monopotassium salt
EINECS	213-166-7

Quality Control

Our Acetylenedicarboxylic Acid Monopotassium Salt is produced and tested under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by titration), identification (IR), and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, protect from moisture and store under inert atmosphere if necessary for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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