2-Octyne
- CAS NO.：2809-67-8
- Empirical Formula: C8H14
- Molecular Weight: 110.2
- MDL number: MFCD00027302
- EINECS: 220-553-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:35
What is 2-Octyne?
Chemical properties
2-OCTYNE is a colorless mobile liquid. Sp.Gr. 0.74. B.P. 137℃. Insoluble in water, soluble in alcohol and oils. Although the title material is not truly a fragrance material, it has occasionally served as a component in perfumes for special purposes, e. g. industrial masking odors, etc.
The Uses of 2-Octyne
Octyne is an intermediate chemical in the manufacture of a number of more useful perfume chemicals, and it is thus available to perfumers in the manufacturing companies.
What are the applications of Application
2-Octyne is a simple internal alkyne compound
Synthesis
2-octyne is synthesized by Bromination of n-Octene (commercially available) followed by debrominat ion of the Dibromo octane with dry Potassium hydroxide in mineral oil.
Properties of 2-Octyne
| Melting point: | -61.6°C |
| Boiling point: | 137 °C(lit.) |
| Density | 0.759 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 64 °F |
| form | clear liquid |
| color | Colorless to Light yellow |
| Specific Gravity | 0.759 |
| BRN | 1697689 |
| CAS DataBase Reference | 2809-67-8(CAS DataBase Reference) |
Safety information for 2-Octyne
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Health Hazard GHS08 |
| GHS Hazard Statements |
H226:Flammable liquids H304:Aspiration hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P315:Get immediate medical advice/attention. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
Computed Descriptors for 2-Octyne
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