1-Undecyne
1-十一炔
Also known as: 1-C11H20, 1-Hendecyne, 1-UNDECYNE, 1-undecyne, EINECS 218-825-1, MFCD00015063, Nonylacetylen, RUTYLIDENE, Rutylidene, Undecane-1-yne, Undecyne, n-Nonyl-acetylen, n-Nonylacetylene, undec-1-yne
1-Undecyne (CAS 2243-98-3) 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 1-C11H20, 1-Hendecyne and 1-UNDECYNE. Key properties include a melting point of -25°C, a boiling point of 194.9±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 65.2±1.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2243-98-3
- Jingsj CID
- J-29411-7
- Molecular Formula
- C11H20
- Chinese Name
- 1-十一炔
- Molecular Weight
- 152.277 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -25°C |
|---|---|
| Boiling Point | 194.9±3.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 65.2±1.4 °C |
Frequently Asked Questions
What is the CAS number of 1-Undecyne?
The CAS number of 1-Undecyne is 2243-98-3.
What are the molecular formula and molecular weight of 1-Undecyne?
1-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. "1-Undecyne (CAS 2243-98-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29411-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.