Air & Water Reactions
Crystallise the diol from EtOAc. [Beilstein 1 IV 2687.]
Pure 2-Butyne-1,4-diol is non-explosvie. Small amounts of certain impurities-alkali hydroxides, alkaline earth hydroxides, halides-may cause explosive decomposition upon distillation. 2-Butyne-1,4-diol should not be treated with basic catalysts in the absence of a solvent at room temperature, and its stability is less with elevated temperatures. In strong acids, contamination with mercury salts can also result in violent decomposition [NFPA 491M 1991].
Basic brightener in nickel electroplating baths,also an important intermediate for organic synthesis
ChEBI: A butynediol that is but-2-yne substituted by hydroxy groups at positions 1 and 4.
May cause dermatitis.
White to light-brown solid or brownish-yellow aqueous solution. Solid sinks and mixes with water.