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| 3,3-Dimethyl-1-butyne Basic information |
| 3,3-Dimethyl-1-butyne Chemical Properties |
| Melting point | -78 °C (lit.) | | Boiling point | 37-38 °C (lit.) | | density | 0.667 g/mL at 25 °C (lit.) | | vapor pressure | 7.88 psi ( 20 °C) | | refractive index | n20/D 1.374(lit.) | | Fp | <−30 °F | | storage temp. | 2-8°C | | form | Liquid | | color | Clear colorless | | PH | 7.51 at 24.8℃ and 10g/L | | Water Solubility | Miscible with chloroform, benzene and toluene. Immiscible with water. | | BRN | 1697100 | | Stability: | Stable, but highly flammable. Readily forms explosive mixtures with air. Note low flash point. | | CAS DataBase Reference | 917-92-0(CAS DataBase Reference) | | NIST Chemistry Reference | 1-Butyne, 3,3-dimethyl-(917-92-0) |
| Hazard Codes | F+,Xi | | Risk Statements | 12-36/37/38 | | Safety Statements | 3-16-26-33-7/9 | | RIDADR | UN 3295 3/PG 2 | | WGK Germany | 3 | | HazardClass | 3 | | PackingGroup | I | | HS Code | 29012990 |
| 3,3-Dimethyl-1-butyne Usage And Synthesis |
| Chemical Properties | colourless liquid | | Uses | 3,3-Dimethyl-1-butyne is used as an active pharmaceutical intermediate for terbinafine. It is also used in the preparation of 2,2,7,7-tetramethyl-octa-3,5-diyne. Further, it is used in the synthesis of erythro and threo isomers of B-(3,3-dimethyl-1,2-dideuterio-1-butyl)-9-BBN by hydroboration-deuteronolysis-hydroboration sequence. | | Synthesis Reference(s) | Tetrahedron Letters, 25, p. 2089, 1984 DOI: 10.1016/S0040-4039(01)81168-0 |
| 3,3-Dimethyl-1-butyne Preparation Products And Raw materials |
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