4-Octyne
ALDRICH/244473 - 99%
CAS Number: 1942-45-6
Empirical Formula (Hill Notation): C8H14
Molecular Weight: 110.20
EC Number: 217-730-2
MDL Number: MFCD00009471
Linear Formula: CH3CH2CH2C≡CCH2CH2CH3
Product Type: Chemical
| assay | 99% |
| bp | 131-132 °C (lit.) |
| density | 0.751 g/mL at 25 °C (lit.) |
| form | liquid |
| InChI | 1S/C8H14/c1-3-5-7-8-6-4-2 |
| InChI key | GZTNBKQTTZSQNS-UHFFFAOYSA |
| mp | −103 °C (lit.) |
| refractive index | n |
| SMILES string | CCCC#CCCC |
| vapor pressure | 35 mmHg ( 37.7 °C) |
| Application: | 4-Octyne, an electron-rich dialkylacetylene, was used in the synthesis of highly substituted 1,3-dienes. |
| General description: | 4-Octyne, also known as dipropylethyne can be used as a versatile building block in organic synthesis. The kinetics of the stereoselective semi-hydrogenation of 4-octyne (in tetrahydrofuran) was studied. |
| Packaging: | 5, 25 g in glass bottle |
| Symbol |    GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H226 - H304 - H319 - H335 |
| Precautionary statements | P210 - P233 - P240 - P301 + P310 - P305 + P351 + P338 - P331 |
| Hazard Codes | Xn |
| Risk Statements | 10-36/37/38-65 |
| Safety Statements | 26-62 |
| RIDADR | UN 3295C 3 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 84.2 °F - closed cup |
| Flash Point(C) | 29 °C - closed cup |
| Purity | 99% |
| bp | 131-132 °C (lit.) |
| mp | −103 °C (lit.) |
| Density | 0.751 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |