2,2'-Bipyridine N-oxide
Also known as: 1-oxido-2-pyridin-2-ylpyridin-1-ium, 2,2'-Bipyridine monoxide, 2,2'-Dipyridyl N-oxide, 2,2'-Bipyridyl N-oxide, 2,2'-Bipyridine 1-oxide, 2-pyridin-2-ylpyridine N-oxide
2,2'-Bipyridine N-oxide (CAS 33421-43-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O and a molecular weight of 172.18300 g/mol. Key properties include a melting point of 59-63ºC(lit.), a boiling point of 422.9ºC at 760mmHg, a density of 1.15g/cm3 and a flash point of 209.6ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33421-43-1
- Jingsj CID
- J-35096-9
- Molecular Formula
- C10H8N2O
- Molecular Weight
- 172.18300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 59-63ºC(lit.) |
|---|---|
| Boiling Point | 422.9ºC at 760mmHg |
| Density | 1.15g/cm3 |
| Flash Point | 209.6ºC |
| Exact Mass | 172.06400 |
| PSA | 38.35000 |
| LogP | 2.17710 |
| Refractive Index | 1.604 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,2'-Bipyridine N-oxide?
The CAS number of 2,2'-Bipyridine N-oxide is 33421-43-1.
What are the molecular formula and molecular weight of 2,2'-Bipyridine N-oxide?
2,2'-Bipyridine N-oxide has molecular formula C10H8N2O and molecular weight 172.18300 g/mol.
Is 2,2'-Bipyridine N-oxide hazardous?
2,2'-Bipyridine N-oxide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,2'-Bipyridine N-oxide?
For 2,2'-Bipyridine N-oxide, Upstream Products: 2,2'-Bipyridine, Pyridine N-oxide, 2-Iodopyridine; Downstream Products: [2,2'-Bipyridine]-6-carbonitrile, 4-Nitro-2,2'-bipyridine 1-oxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2'-Bipyridine N-oxide (CAS 33421-43-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35096-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.