3-cyclobutene-1,2-dione
3-环丁烯-1,2-二酮
Also known as: Cyclobutenedione, Cyclobuta-3-ene-1,2-dione, Diketocyclobutene, cyclobut-2-ene-1,4-dione, cyclobut-3-ene-1,2-dione, cyclobutene-1,2-dione, Cyclobutendion
3-cyclobutene-1,2-dione (CAS 32936-74-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H2O2 and a molecular weight of 82.05750 g/mol. It is also known as Cyclobutenedione, Cyclobuta-3-ene-1,2-dione and Diketocyclobutene. Key properties include a boiling point of 166.8ºC at 760 mmHg, a density of 1.432g/cm3 and a flash point of 53.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 32936-74-6
- Jingsj CID
- J-1603474-5
- Molecular Formula
- C4H2O2
- Chinese Name
- 3-环丁烯-1,2-二酮
- Molecular Weight
- 82.05750 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 166.8ºC at 760 mmHg |
|---|---|
| Density | 1.432g/cm3 |
| Flash Point | 53.4ºC |
Frequently Asked Questions
What is the CAS number of 3-cyclobutene-1,2-dione?
The CAS number of 3-cyclobutene-1,2-dione is 32936-74-6.
What are the molecular formula and molecular weight of 3-cyclobutene-1,2-dione?
3-cyclobutene-1,2-dione has molecular formula C4H2O2 and molecular weight 82.05750 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-cyclobutene-1,2-dione (CAS 32936-74-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1603474-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.