1,11-dodecadiyne
Also known as: 1,11-Dodecanediyne, 1,11-dodecadiyn, Ai3-36571, Dodeca-1,11-diin, TIMTEC-BB SBB008726, dodeca-1,11-diyne
1,11-dodecadiyne (CAS 20521-44-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H18 and a molecular weight of 162.27100 g/mol. Key properties include a boiling point of 99ºC 15mm, a density of 0.835g/cm3 and a flash point of 86.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20521-44-2
- Jingsj CID
- J-1360284-1
- Molecular Formula
- C12H18
- Molecular Weight
- 162.27100 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 99ºC 15mm |
|---|---|
| Density | 0.835g/cm3 |
| Flash Point | 86.5ºC |
| Exact Mass | 162.14100 |
| LogP | 3.37360 |
| Vapor Pressure | 0.128mmHg at 25°C |
| Refractive Index | 1.461 |
Frequently Asked Questions
What is the CAS number of 1,11-dodecadiyne?
The CAS number of 1,11-dodecadiyne is 20521-44-2.
What are the molecular formula and molecular weight of 1,11-dodecadiyne?
1,11-dodecadiyne has molecular formula C12H18 and molecular weight 162.27100 g/mol.
What are the upstream and downstream products of 1,11-dodecadiyne?
For 1,11-dodecadiyne, Upstream Products: 1,8-Diiodooctane, Sodium acetylide, 1,8-Dibromooctane; Downstream Products: 1,18-dibromooctadecane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,11-dodecadiyne (CAS 20521-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360284-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.