A3157412
3,3-Dimethyl-1-butyne , 96% , 917-92-0
Synonym(s):
tert-Butylacetylene
CAS NO.：917-92-0
Empirical Formula: C6H10
Molecular Weight: 82.14
MDL number: MFCD00008852
EINECS: 213-035-3
| Pack Size | Price | Stock | Quantity |
| 5ML | RMB51.20 | In Stock |
|
| 25ML | RMB109.60 | In Stock |
|
| 100ML | RMB364.80 | In Stock |
|
| 500ml | RMB1252.80 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT 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 | n |
| Flash point: | <−30 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| 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) |
Description and 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.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H225-H412 |
| Precautionary statements | P210-P233-P240-P241-P242-P273 |
| 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 |
