5-Undecyne
5-十一炔
Also known as: 5-C11H20, 5-Hendecyne, 5-UNDECYNE, 5-UNDECYNE 99%, 5-Undecyne,99%, Butyl-pentyl-acetylen, MFCD00041657, NISTC2294726, TIMTEC-BB SBB009005, Undec-5-yne, Undecane-5-yne, undec-5-yne
5-Undecyne (CAS 2294-72-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H20 and a molecular weight of 152.277 g/mol. It is also known as 5-C11H20, 5-Hendecyne and 5-UNDECYNE. Key properties include a boiling point of 199.6±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 65.6±12.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2294-72-6
- Jingsj CID
- J-3102-6
- Molecular Formula
- C11H20
- Chinese Name
- 5-十一炔
- Molecular Weight
- 152.277 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 199.6±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 65.6±12.6 °C |
Frequently Asked Questions
What is the CAS number of 5-Undecyne?
The CAS number of 5-Undecyne is 2294-72-6.
What are the molecular formula and molecular weight of 5-Undecyne?
5-Undecyne has molecular formula C11H20 and molecular weight 152.277 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Undecyne (CAS 2294-72-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3102-6 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.