3,4-dianilinocyclobut-3-ene-1,2-dione
3,4-二苯胺基-3-环丁烯-1,2-二酮
Also known as: 3,4-BIS(PHENYLAMINO)CYCLOBUT-3-ENE-1,2-DIONE, 3-Cyclobutene-1,2-dione, 3,4-bis(phenylamino)-, 1,2-Bis-anilino-cyclobutendione, 1,2-Dianilinocyclobut-3-ene-1,2-dione, bis(phenylamino)cyclobut-3-ene-1,2-dione, Quadratsaeure-dianilid, 3,4-Dianilino-3-cyclobutene-1,2-dione
3,4-dianilinocyclobut-3-ene-1,2-dione (CAS 33512-89-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H12N2O2 and a molecular weight of 264.27900 g/mol. It is also known as 3,4-BIS(PHENYLAMINO)CYCLOBUT-3-ENE-1,2-DIONE, 3-Cyclobutene-1,2-dione, 3,4-bis(phenylamino)- and 1,2-Bis-anilino-cyclobutendione. Key properties include a melting point of 270ºC, a boiling point of 410.7ºC at 760mmHg, a density of 1.443g/cm3 and a flash point of 157.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33512-89-9
- Jingsj CID
- J-1524226-2
- Molecular Formula
- C16H12N2O2
- Chinese Name
- 3,4-二苯胺基-3-环丁烯-1,2-二酮
- Molecular Weight
- 264.27900 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 270ºC |
|---|---|
| Boiling Point | 410.7ºC at 760mmHg |
| Density | 1.443g/cm3 |
| Flash Point | 157.7ºC |
Frequently Asked Questions
What is the CAS number of 3,4-dianilinocyclobut-3-ene-1,2-dione?
The CAS number of 3,4-dianilinocyclobut-3-ene-1,2-dione is 33512-89-9.
What are the molecular formula and molecular weight of 3,4-dianilinocyclobut-3-ene-1,2-dione?
3,4-dianilinocyclobut-3-ene-1,2-dione has molecular formula C16H12N2O2 and molecular weight 264.27900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-dianilinocyclobut-3-ene-1,2-dione (CAS 33512-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524226-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.