2,4-Heneicosadiynoic acid
2,4-二十一二炔酸
Also known as: 2,4-Heneicosadiynoic acid, Henicosa-2,4-diynoic acid, 2,4-Henicosadiynoic acid, Heneicosadiynoic acid, 2,4-HENEICOSADIYNOIC ACID
2,4-Heneicosadiynoic acid (CAS 69288-33-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H34O2 and a molecular weight of 318.493 g/mol. It is also known as Henicosa-2,4-diynoic acid, 2,4-Henicosadiynoic acid and Heneicosadiynoic acid. Key properties include a melting point of 75ºC, a boiling point of 444.8±28.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 237.0±20.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 69288-33-1
- Jingsj CID
- J-7474-2
- Molecular Formula
- C21H34O2
- Chinese Name
- 2,4-二十一二炔酸
- Molecular Weight
- 318.493 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 75ºC |
|---|---|
| Boiling Point | 444.8±28.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 237.0±20.5 °C |
Frequently Asked Questions
What is the CAS number of 2,4-Heneicosadiynoic acid?
The CAS number of 2,4-Heneicosadiynoic acid is 69288-33-1.
What are the molecular formula and molecular weight of 2,4-Heneicosadiynoic acid?
2,4-Heneicosadiynoic acid has molecular formula C21H34O2 and molecular weight 318.493 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Heneicosadiynoic acid (CAS 69288-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7474-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.