1,2-Diphenylpyrazolidine-3,5-dione
Also known as: 1,2-Diphenyl-3,5-pyrazolidinedione, 1,2-Diphenyl-3,5-dioxopyrazolidine, 1,2-Diphenyl-5-pyrazolidinedione, 1,2-Diphenyl-pyrazolidine-3,5-dione, 1,2-Diphenyl-pyrrazolidin-3,5-dion, diphenyldiketopyrazolidine, DA339, AURORA KA-3848
1,2-Diphenylpyrazolidine-3,5-dione (CAS 2652-77-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H12N2O2 and a molecular weight of 252.26800 g/mol. Key properties include a melting point of 180-183ºC, a boiling point of 380.5ºC at 760 mmHg, a density of 1.312 g/cm3 and a flash point of 167.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2652-77-9
- Jingsj CID
- J-4092-6
- Molecular Formula
- C15H12N2O2
- Molecular Weight
- 252.26800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 180-183ºC |
|---|---|
| Boiling Point | 380.5ºC at 760 mmHg |
| Density | 1.312 g/cm3 |
| Flash Point | 167.2ºC |
| Exact Mass | 252.09000 |
| PSA | 40.62000 |
| LogP | 2.50150 |
| Vapor Pressure | 5.41E-06mmHg at 25°C |
| Refractive Index | 1.65 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Diphenylpyrazolidine-3,5-dione?
The CAS number of 1,2-Diphenylpyrazolidine-3,5-dione is 2652-77-9.
What are the molecular formula and molecular weight of 1,2-Diphenylpyrazolidine-3,5-dione?
1,2-Diphenylpyrazolidine-3,5-dione has molecular formula C15H12N2O2 and molecular weight 252.26800 g/mol.
What are the upstream and downstream products of 1,2-Diphenylpyrazolidine-3,5-dione?
For 1,2-Diphenylpyrazolidine-3,5-dione, Upstream Products: 1,2-Diphenylhydrazine, Diethyl malonate, Carbon; Downstream Products: Phenylbutazone, Kebuzone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Diphenylpyrazolidine-3,5-dione (CAS 2652-77-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4092-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.