2,5-Dibromo-3-chloropyrazine
2,5-二溴-3-氯吡嗪
Also known as: 2,5-Dibrom-3-chlor-pyrazin, 2,5-dibromo-3-chloro-pyrazine, Pyrazine, 2,5-dibromo-3-chloro-, QC-6856
2,5-Dibromo-3-chloropyrazine (CAS 21943-16-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4HBr2ClN2 and a molecular weight of 272.325 g/mol. It is also known as 2,5-Dibrom-3-chlor-pyrazin, 2,5-dibromo-3-chloro-pyrazine and Pyrazine, 2,5-dibromo-3-chloro-. Key properties include a boiling point of 264.0±35.0 °C at 760 mmHg, a density of 2.3±0.1 g/cm3 and a flash point of 113.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21943-16-8
- Jingsj CID
- J-1168646-2
- Molecular Formula
- C4HBr2ClN2
- Chinese Name
- 2,5-二溴-3-氯吡嗪
- Molecular Weight
- 272.325 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 264.0±35.0 °C at 760 mmHg |
|---|---|
| Density | 2.3±0.1 g/cm3 |
| Flash Point | 113.4±25.9 °C |
Frequently Asked Questions
What is the CAS number of 2,5-Dibromo-3-chloropyrazine?
The CAS number of 2,5-Dibromo-3-chloropyrazine is 21943-16-8.
What are the molecular formula and molecular weight of 2,5-Dibromo-3-chloropyrazine?
2,5-Dibromo-3-chloropyrazine has molecular formula C4HBr2ClN2 and molecular weight 272.325 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dibromo-3-chloropyrazine (CAS 21943-16-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1168646-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.