4-Bromoantipyrine
4-溴安替比林
Also known as: 4-Bromo-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 4-Bromo-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one, Bromoantipyrine, NSC 14307, 3H-Pyrazol-3-one,4-bromo-1,2-dihydro-1,5-dimethyl-2-phenyl-, 4-Bromphenazon
4-Bromoantipyrine (CAS 5426-65-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H11BrN2O and a molecular weight of 267.12200 g/mol. It is also known as 4-Bromo-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 4-Bromo-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one and Bromoantipyrine. Key properties include a melting point of 117ºC, a boiling point of 309.3ºC at 760mmHg, a density of 1.525g/cm3 and a flash point of 140.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5426-65-3
- Jingsj CID
- J-1383197-2
- Molecular Formula
- C11H11BrN2O
- Chinese Name
- 4-溴安替比林
- Molecular Weight
- 267.12200 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 117ºC |
|---|---|
| Boiling Point | 309.3ºC at 760mmHg |
| Density | 1.525g/cm3 |
| Flash Point | 140.8ºC |
Frequently Asked Questions
What is the CAS number of 4-Bromoantipyrine?
The CAS number of 4-Bromoantipyrine is 5426-65-3.
What are the molecular formula and molecular weight of 4-Bromoantipyrine?
4-Bromoantipyrine has molecular formula C11H11BrN2O and molecular weight 267.12200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Bromoantipyrine (CAS 5426-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1383197-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.