Octadecanedioic acid
Also known as: 1,18-Octadecanedioic acid, 1,16-Hexadecanedicarboxylic acid, Octadecane-1,18-dioic acid, Octadecane-1,18-dicarboxylic acid
Octadecanedioic acid (CAS 871-70-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H34O4 and a molecular weight of 314.460 g/mol. Key properties include a melting point of 125°C, a boiling point of 480.9±18.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 258.8±17.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 871-70-5
- Jingsj CID
- J-19403-6
- Molecular Formula
- C18H34O4
- Molecular Weight
- 314.460 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 125°C |
|---|---|
| Boiling Point | 480.9±18.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 258.8±17.7 °C |
| Exact Mass | 314.245697 |
| PSA | 74.60000 |
| LogP | 6.11 |
| Vapor Pressure | 0.0±2.6 mmHg at 25°C |
| Refractive Index | 1.474 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Tonsgard JH. Serum dicarboxylic acids in patients with Reye syndrome. J Pediatr. 1986 Sep;109(3):440-5. |
Frequently Asked Questions
What is the CAS number of Octadecanedioic acid?
The CAS number of Octadecanedioic acid is 871-70-5.
What are the molecular formula and molecular weight of Octadecanedioic acid?
Octadecanedioic acid has molecular formula C18H34O4 and molecular weight 314.460 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. "Octadecanedioic acid (CAS 871-70-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19403-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.