3-Bromo-4-nitropyridine 1-oxide
Also known as: 3-Bromo-4-nitropyridine N-oxide, 3-Bromo-4-nitropyridine 1-oxide, 4-nitro-3-bromo pyridine N-oxide, 3-bromo-4-nitro-1-oxidopyridin-1-ium, Pyridine, 3-bromo-4-nitro-, 1-oxide
3-Bromo-4-nitropyridine 1-oxide (CAS 1678-49-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3BrN2O3 and a molecular weight of 218.993 g/mol. Key properties include a melting point of 152-154°C, a boiling point of 393.0±22.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 191.5±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1678-49-5
- Jingsj CID
- J-12519-9
- Molecular Formula
- C5H3BrN2O3
- Molecular Weight
- 218.993 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 152-154°C |
|---|---|
| Boiling Point | 393.0±22.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 191.5±22.3 °C |
| Exact Mass | 217.932693 |
| PSA | 71.28000 |
| LogP | 0.02 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.666 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 3-Bromo-4-nitropyridine 1-oxide?
The CAS number of 3-Bromo-4-nitropyridine 1-oxide is 1678-49-5.
What are the molecular formula and molecular weight of 3-Bromo-4-nitropyridine 1-oxide?
3-Bromo-4-nitropyridine 1-oxide has molecular formula C5H3BrN2O3 and molecular weight 218.993 g/mol.
What are the upstream and downstream products of 3-Bromo-4-nitropyridine 1-oxide?
For 3-Bromo-4-nitropyridine 1-oxide, Upstream Products: 3-Bromopyridine 1-oxide, 3-Bromopyridine, 3-Aminopyridine; Downstream Products: 3-Bromo-4-chloropyridine, 3-Bromo-4-methoxypyridine, 3-Bromo-4-nitropyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Bromo-4-nitropyridine 1-oxide (CAS 1678-49-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12519-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.