Description

2-Butynedioic Acid, Disodium Salt is the disodium salt form of acetylenedicarboxylic acid, a versatile chemical intermediate prized for its reactivity and utility in synthesis. This compound is particularly valued for its role as a key building block in the production of specialty chemicals and functional materials. It is essential for research and development laboratories, pharmaceutical intermediates, and industrial chemical synthesis where precise molecular construction is required.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Organic Synthesis Building Block: Utilized in Diels-Alder reactions and other cycloaddition chemistry to construct complex molecular frameworks.
• Crosslinking Agent: Functions in polymer chemistry to create crosslinked networks for specialty resins and coatings.
• Chelating Agent Precursor: Used in the development of ligands and chelating agents for metal ion coordination.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and material properties.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	2-Butynedioic Acid, Disodium Salt
CAS No.	15122-44-8
Molecular Formula	C4Na2O4
Molecular Weight	150.05 g/mol
Synonyms	Disodium Acetylenedicarboxylate; Acetylenedicarboxylic Acid Disodium Salt; Disodium But-2-ynedioate; Sodium Acetylenedicarboxylate; 2-Butynedioic Acid Sodium Salt; Acetylenedicarboxylate Disodium Salt; But-2-ynedioic Acid Disodium Salt
EINECS	239-164-1

Quality Control

Our 2-Butynedioic Acid, Disodium Salt is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics. Specifications can be aligned with customer requirements for research, pilot, or commercial-scale projects.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation and clumping. Keep away from incompatible materials such as strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	To be specified

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