1-Hexyn-1-ylbenzene
Also known as: 1-BUTYL-2-PHENYLACETYLENE, 1-Butyl-2-phenylacetylene, 1-HEXYNYLBENZENE, 1-Hexyne, 1-phenyl-, 1-PHENYL-1-HEXYNE, 1-Phenyl-1-hexyne, 1-hexyne,1-phenyl-, Benzene, 1-hexyn-1-yl-, Benzene, 1-hexynyl-, Butylphenylacetylene, Hex-1-yn-1-ylbenzene, MFCD00039969, TIMTEC-BB SBB008962, benzene,1-hexynyl-, hex-1-ynylbenzene
1-Hexyn-1-ylbenzene (CAS 1129-65-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H14 and a molecular weight of 158.240 g/mol. Key properties include a boiling point of 230.5±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 97.8±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1129-65-3
- Jingsj CID
- J-44912-0
- Molecular Formula
- C12H14
- Molecular Weight
- 158.240 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 230.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 97.8±0.0 °C |
| Exact Mass | 158.109543 |
| LogP | 4.71 |
| Vapor Pressure | 0.1±0.2 mmHg at 25°C |
| Refractive Index | 1.523 |
Customs & Trade Information
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-Hexyn-1-ylbenzene?
The CAS number of 1-Hexyn-1-ylbenzene is 1129-65-3.
What are the molecular formula and molecular weight of 1-Hexyn-1-ylbenzene?
1-Hexyn-1-ylbenzene has molecular formula C12H14 and molecular weight 158.240 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Hexyn-1-ylbenzene (CAS 1129-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44912-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.