cis-11-Eicosenoic acid
Also known as: Gondoic acid, (Z)-11-Eicosenoic acid, 11-cis-Eicosenoic acid, 11Z-Eicosenoic acid, cis-Δ11-Eicosenoic acid, C20:1 (cis-11) acid, Eicosenoic acid, MFCD00010506
cis-11-Eicosenoic acid (CAS 5561-99-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H38O2 and a molecular weight of 310.514 g/mol. Key properties include a melting point of 23-24 °C(lit.), a boiling point of 426.3±14.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 323.0±15.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5561-99-9
- Jingsj CID
- J-853598-6
- Molecular Formula
- C20H38O2
- Molecular Weight
- 310.514 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 23-24 °C(lit.) |
|---|---|
| Boiling Point | 426.3±14.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 323.0±15.2 °C |
| Exact Mass | 310.287170 |
| PSA | 37.30000 |
| LogP | 8.76 |
| Vapor Pressure | 0.0±2.2 mmHg at 25°C |
| Refractive Index | 1.467 |
Activity & Biological Data
| Additional Information | [1]. H Kikukawa, et al. Production of cis-11-eicosenoic acid by Mortierella fungi. J Appl Microbiol. 2015 Mar;118(3):641-7. |
|---|
Frequently Asked Questions
What is the CAS number of cis-11-Eicosenoic acid?
The CAS number of cis-11-Eicosenoic acid is 5561-99-9.
What are the molecular formula and molecular weight of cis-11-Eicosenoic acid?
cis-11-Eicosenoic acid has molecular formula C20H38O2 and molecular weight 310.514 g/mol.
What are the upstream and downstream products of cis-11-Eicosenoic acid?
For cis-11-Eicosenoic acid, Upstream Products: Oleic alcohol, Methyl oleate, Phenoxyacetic acid; Downstream Products: Arachidic acid, Nonanal, Nonanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "cis-11-Eicosenoic acid (CAS 5561-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-853598-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.