2-Butyne in Colourless Liquid Form is used in specialty gas mixtures, organic synthesis and instrument. 2-Butyne is a kind of clear colourless liquid with a characteristic acetylenic odour. 2-Butyne has some anaesthetic activity and can act as a simple asphyxiant. 2-Butyne in Colourless Liquid Form can be meted at a temperature range of 32.2 degree C.