2,5-Dibromo-3,4-pyridinediamine
2,5-二溴-3,4-二氨基吡啶
Also known as: 2,5-Dibromopyridine-3,4-diamine, 3,4-Diamino-2,5-dibromopyridine, 2,5-dibromo-3,4-diaminopyridine, 3,4-Pyridinediamine, 2,5-dibromo-
2,5-Dibromo-3,4-pyridinediamine (CAS 221241-11-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5Br2N3 and a molecular weight of 266.921 g/mol. It is also known as 2,5-Dibromopyridine-3,4-diamine, 3,4-Diamino-2,5-dibromopyridine and 2,5-dibromo-3,4-diaminopyridine. Key properties include a melting point of 27-218°C, a boiling point of 395.7±37.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 193.1±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 221241-11-8
- Jingsj CID
- J-1454118-4
- Molecular Formula
- C5H5Br2N3
- Chinese Name
- 2,5-二溴-3,4-二氨基吡啶
- Molecular Weight
- 266.921 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 27-218°C |
|---|---|
| Boiling Point | 395.7±37.0 °C at 760 mmHg |
| Density | 2.2±0.1 g/cm3 |
| Flash Point | 193.1±26.5 °C |
Frequently Asked Questions
What is the CAS number of 2,5-Dibromo-3,4-pyridinediamine?
The CAS number of 2,5-Dibromo-3,4-pyridinediamine is 221241-11-8.
What are the molecular formula and molecular weight of 2,5-Dibromo-3,4-pyridinediamine?
2,5-Dibromo-3,4-pyridinediamine has molecular formula C5H5Br2N3 and molecular weight 266.921 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-3,4-pyridinediamine (CAS 221241-11-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454118-4 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.