Diacetylene
| Names | |
|---|---|
| Preferred IUPAC name
Buta-1,3-diyne | |
| Other names
1,3-Butadiyne Biacetylene Butadiyne | |
| Identifiers | |
3D model (JSmol) |
|
| 1236317 | |
| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.006.641 |
| EC Number |
|
PubChem CID |
|
| UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
| Properties | |
| C4H2 | |
| Molar mass | 50.060 g·mol−1 |
| Appearance | Colorless gas |
| Boiling point | 10 °C (50 °F; 283 K) |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Highly flammable; Peroxide forming |
| GHS labelling: | |
| Danger | |
| Safety data sheet (SDS) | External MSDS |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Diacetylene (also known as butadiyne) is the organic compound with the formula C4H2 or H−C≡C−C≡C−H. It is the simplest compound containing two triple bonds. It is first in the series of polyynes, which are of theoretical but not of practical interest.