Name: 1-Hexyne.

Synonym:N-BUTYLACETYLENE;Butylacetylene;C4H9CequivCH;Hex-1-yne;Hexyne;1-HEXYNE;HEXYNE(1-);Butylacetyne

CAS No: 693-02-7.

Molecular formula: C6H10.

Molecular weight: 82.14.

Appearance: colorless transparent liquid.

Purity: 98%.

Melting point:-132 °C.

Boiling point: 71-72 °C (lit.).

Density: 0.715 g/mL at 25 °C (lit.).

Vapor pressure: 253 mm Hg (37.7 °C).

Refractive index: n20amp D 1.399 (lit.).

Flash point:-6 °F.

Storage condition: 0-6 °C

Toxicity classification: high toxicity.
Acute toxicity: intraperitoneal-mouse LD50: 100mg / kg; subcutaneous-mouse LD50: 400mg / kg.
Flammability hazard characteristics: in case of open fire, high temperature, oxidizer flammable; combustion produces irritating smoke.
Storage and transportation characteristics: the warehouse is ventilated and dried at low temperature; stored separately from oxidants and acids