3-Acetylpyridine N-oxide
Also known as: 1-(1-Oxido-3-pyridinyl)ethanone, 1-(1-oxidopyridin-1-ium-3-yl)ethanone, 1-(1-oxopyridin-3-yl)ethanone, 3-Acetylpyridine 1-oxide, Ethanone, 1-(1-oxido-3-pyridinyl)-, 1-(1-oxy-pyridin-3-yl)-ethanone
3-Acetylpyridine N-oxide (CAS 14188-94-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO2 and a molecular weight of 137.13600 g/mol. Key properties include a melting point of 146°C, a boiling point of 347.3ºC at 760mmHg, a density of 1.13g/cm3 and a flash point of 163.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14188-94-4
- Jingsj CID
- J-1451823-1
- Molecular Formula
- C7H7NO2
- Molecular Weight
- 137.13600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 146°C |
|---|---|
| Boiling Point | 347.3ºC at 760mmHg |
| Density | 1.13g/cm3 |
| Flash Point | 163.8ºC |
| Exact Mass | 137.04800 |
| PSA | 42.53000 |
| LogP | 1.31770 |
| Vapor Pressure | 5.44E-05mmHg at 25°C |
| Refractive Index | 1.535 |
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-Acetylpyridine N-oxide?
The CAS number of 3-Acetylpyridine N-oxide is 14188-94-4.
What are the molecular formula and molecular weight of 3-Acetylpyridine N-oxide?
3-Acetylpyridine N-oxide has molecular formula C7H7NO2 and molecular weight 137.13600 g/mol.
What are the upstream and downstream products of 3-Acetylpyridine N-oxide?
For 3-Acetylpyridine N-oxide, Upstream Products: 3-Acetylpyridine, acetic acid; Downstream Products: 3-Acetylpyridine, 3-Methyl-5-nitro-1H-pyrazolo[3,4-b]pyridine, 3-Acetylpyridin-2(1H)-one.
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-Acetylpyridine N-oxide (CAS 14188-94-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1451823-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.