Name: 2-Butyn-1-ol.

Synonym:2-butyn-1-0l;2-Butynol;2-Butynylalcohol;BUT-2-IN-1-OL;HYDROXYMETHYLMETHYLACETYLENE;2-BUTYN-1-OL99%;1-hydroxy-2-butyne;2-BUTYNE-1-OL

CAS No: 764-01-2.

Molecular formula: C4H6O.

Molecular weight: 70.09.

Appearance: colorless transparent liquid.

Purity: 98%.

Melting point:-2.2 °C (lit.).

Boiling point: 142143 °C (lit.).

Density: 0.937 g/mL at 25 °C (lit.).

Refractive index: n20amp D 1.453 (lit.).

Flash point: 125 °F.

Storage condition: Refrigerator