1,5-Cyclooctadiene
Also known as: (1Z,5Z)-Cycloocta-1,5-diene, (Z,Z)-1,5-Cyclooctadiene, 1 5-CYCLOOCTADIENE, 1,5-COD, 1,5-CYCLOOCADIENE, 1,5-CYCLOOCTADIENE, 1,5-CYCLOOCTADIENE, (Z,Z)-, 1,5-CYCLOOCTADIENE, REDISTILLED, 99+%, 1,5-Cyclooctadiene (Z,Z), 1,5-Cyclooctadiene, (1Z,5Z)-, 1,5-Cyclooctadiene, stabilized, 97%, 1,5-Cyclooctanediene, 1,5-cyclooctodiene, 1-cis,5-cis-Cyclooctadiene, 1.5-CYCLOOCTADIENE, 1Z,5Z-Cyclooctadiene, 4-05-00-00403 (Beilstein Handbook Reference), CIS,CIS-1,5-CYCLOOCTADIENE, CIS,CIS-1,5-CYCLOOCTADIENE , STABILIZED WITH 50-200PPM IRGANOX 1076, CIS,CIS-CYCLOOCTA-1,5-DIENE
1,5-Cyclooctadiene (CAS 111-78-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H12 and a molecular weight of 108.181 g/mol. Key properties include a melting point of -69.5 °C, a boiling point of 151 ºC, a density of 0.882 and a flash point of 38 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 111-78-4
- Jingsj CID
- J-26350-6
- Molecular Formula
- C8H12
- Molecular Weight
- 108.181 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -69.5 °C |
|---|---|
| Boiling Point | 151 ºC |
| Density | 0.882 |
| Flash Point | 38 ºC |
| Exact Mass | 108.093903 |
| LogP | 3.67 |
| Vapor Pressure | 4.3±0.1 mmHg at 25°C |
| Refractive Index | 1.474 |
| Additional Property | 780 mg/L (20 ºC) |
Frequently Asked Questions
What is the CAS number of 1,5-Cyclooctadiene?
The CAS number of 1,5-Cyclooctadiene is 111-78-4.
What are the molecular formula and molecular weight of 1,5-Cyclooctadiene?
1,5-Cyclooctadiene has molecular formula C8H12 and molecular weight 108.181 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. "1,5-Cyclooctadiene (CAS 111-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26350-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.