2-Butynedioic acid dipotassium salt is a potassium derivative of butynedioic acid, commonly utilized in organic synthesis and pharmaceutical applications. This compound serves as a versatile intermediate, particularly in the preparation of conjugated systems and specialty chemicals. Its high solubility in water enhances reactivity in aqueous-phase reactions, while the dipotassium form improves stability and handling. The salt’s rigid alkyne backbone facilitates controlled functionalization, making it valuable for cross-coupling and polymerization processes. Its consistent purity and well-defined structure ensure reproducibility in research and industrial settings. Suitable for use under inert conditions, it is often employed in catalytic and stoichiometric transformations requiring precise molecular control.