Bicyclo[3.3.0]octane-3,7-dione
二环[3.3.0]辛烷-3,7-二酮
Also known as: tetrahydropentalene-2,5-dione, tetrahydropentalene-2,5(1H,3H)-dione, 2,5(1H,3H)-Pentalenedione, tetrahydro-, ETRAHYDROPENTALENE-2,5-DIONE, NSC 139193, RARECHEM AQ BC 8009, dicyclo[3.3.0]octane-3,7-dione
Bicyclo[3.3.0]octane-3,7-dione (CAS 74513-16-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H10O2 and a molecular weight of 138.16400 g/mol. It is also known as tetrahydropentalene-2,5-dione, tetrahydropentalene-2,5(1H,3H)-dione and 2,5(1H,3H)-Pentalenedione, tetrahydro-. Key properties include a melting point of 85 ºC (ethyl acetate hexane ), a boiling point of 268.3ºC at 760 mmHg, a density of 1.191 g/cm3 and a flash point of 99.4±22.4 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74513-16-9
- Jingsj CID
- J-1515237-4
- Molecular Formula
- C8H10O2
- Chinese Name
- 二环[3.3.0]辛烷-3,7-二酮
- Molecular Weight
- 138.16400 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 85 ºC (ethyl acetate hexane ) |
|---|---|
| Boiling Point | 268.3ºC at 760 mmHg |
| Density | 1.191 g/cm3 |
| Flash Point | 99.4±22.4 ºC |
Frequently Asked Questions
What is the CAS number of Bicyclo[3.3.0]octane-3,7-dione?
The CAS number of Bicyclo[3.3.0]octane-3,7-dione is 74513-16-9.
What are the molecular formula and molecular weight of Bicyclo[3.3.0]octane-3,7-dione?
Bicyclo[3.3.0]octane-3,7-dione has molecular formula C8H10O2 and molecular weight 138.16400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bicyclo[3.3.0]octane-3,7-dione (CAS 74513-16-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515237-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.