2-Butyne-1,4-diol pure cryst. | CAS No.:110-65-6 |

2-Butyne-1,4-diol (BYD, BBD) is a colorless to slightly yellow solid, and is almost odorless. It is completely soluble with water in all proportions.

2-Butin-1,4-diol (BYD, BBD) is an organic compound combinding an alkyne and a dioland is a precursor to 1,4-Butanediol.
It is mainly used in the manufacturing of pesticides, corrosion inhibitors, plasticizers, synthetic resins and polyurethanes.

The Boiling point of 2-Butin-1,4-diol (BYD, BBD) is at 238°C and melting point at 52-55°C.