Ximenynic acid
Also known as: Santalbic acid, Ximeninic acid, (E)-11-Octadecen-9-ynoic acid, (11E)-11-Octadecen-9-ynoic acid, (11E)-Octadec-11-en-9-ynoic acid, trans-11-Octadecen-9-ynoic acid, 11-Octadecen-9-ynoic acid, (E)-, Octadec-11-en-9-ynoic acid, NSC 252625, Xymenic acid, Xymenynic acid
Ximenynic acid (CAS 557-58-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H30O2 and a molecular weight of 278.430 g/mol. Key properties include a melting point of 40-41ºC, a boiling point of 416.8±28.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 200.0±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 557-58-4
- Jingsj CID
- J-1372734-7
- Molecular Formula
- C18H30O2
- Molecular Weight
- 278.430 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 40-41ºC |
|---|---|
| Boiling Point | 416.8±28.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 200.0±18.7 °C |
| Exact Mass | 278.224579 |
| PSA | 37.30000 |
| LogP | 6.76 |
| Vapor Pressure | 0.0±2.1 mmHg at 25°C |
| Refractive Index | 1.484 |
Frequently Asked Questions
What is the CAS number of Ximenynic acid?
The CAS number of Ximenynic acid is 557-58-4.
What are the molecular formula and molecular weight of Ximenynic acid?
Ximenynic acid has molecular formula C18H30O2 and molecular weight 278.430 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. "Ximenynic acid (CAS 557-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1372734-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.