3-Bromopyridine 1-oxide
Also known as: 3-Bromopyridine N-oxide, 3-Bromo-pyridine 1-oxide, 3-Bromopyridine Oxide, 3-Bromopyridine Oxid, 3-bromo-1-oxidopyridin-1-ium, 3-bromo-1-oxido-pyridin-1-ium, 3-bromo-1-oxidanidyl-pyridin-1-ium, 3-bromopyridin-1-ium-1-olate, Pyridine, 3-bromo-, 1-oxide
3-Bromopyridine 1-oxide (CAS 2402-97-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4BrNO and a molecular weight of 173.995 g/mol. Key properties include a melting point of 40-42°C, a boiling point of 336.2±15.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 157.1±20.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2402-97-3
- Jingsj CID
- J-13665-2
- Molecular Formula
- C5H4BrNO
- Molecular Weight
- 173.995 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 40-42°C |
|---|---|
| Boiling Point | 336.2±15.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 157.1±20.4 °C |
| Exact Mass | 172.947617 |
| PSA | 25.46000 |
| LogP | -0.43 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.591 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious eye damage
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-Bromopyridine 1-oxide?
The CAS number of 3-Bromopyridine 1-oxide is 2402-97-3.
What are the molecular formula and molecular weight of 3-Bromopyridine 1-oxide?
3-Bromopyridine 1-oxide has molecular formula C5H4BrNO and molecular weight 173.995 g/mol.
Is 3-Bromopyridine 1-oxide hazardous?
3-Bromopyridine 1-oxide has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
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-Bromopyridine 1-oxide (CAS 2402-97-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13665-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.