PRODUCT Properties
| Melting point: | -82.4°C |
| Boiling point: | 83°C |
| Density | 0.718 |
| refractive index | 1.4071 |
| Flash point: | -10°C |
| form | liquid |
| color | colorless |
| Water Solubility | Immiscible with water. |
| BRN | 1733540 |
| CAS DataBase Reference | 999-78-0 |
| NIST Chemistry Reference | 2-Pentyne, 4,4-dimethyl-(999-78-0) |
Description and Uses
4,4-Dimethyl-2-pentyne is used in organometallic reactions for regioselectivity of its insertion into the Pd-C bond of cyclopalladated complexes. It is also used to prepare pyrimidine-dione by reacting with isocyanate in the presence of nickel/ N-heterocyclic carbene.
Safety
| Symbol(GHS) |   GHS02,GHS08 |
| Hazard statements | H225-H304 |
| Precautionary statements | P210-P243-P301+P330+P331-P315-P403 |
| Risk Statements | 11 |
| Safety Statements | 9-16-33 |
| RIDADR | 3295 |
| HazardClass | 3 |
| PackingGroup | II |
