3-Chloropyridine 1-oxide
Also known as: 3-Chloropyridine N-oxide, 3-Chloropyridine N-Oxide, 3-Chloro-pyridine1-oxide, 3-Chloropyridine N-oxide, 3-chloro-1$l^{5}-pyridin-1-one, 3-chloro-1-oxidanidyl-pyridin-1-ium, 3-chloro-1-oxido-pyridin-1-ium, 3-chloro-1-oxidopyridin-1-ium, 3-chloro-pyridine-1-oxide, N-oxy-3-chloropyridine, Pyridine, 3-chloro-, 1-oxide, Pyridine, 3-chloro-, 1-oxide (6CI,7CI,8CI,9CI), Pyridine, 3-chloro-,1-oxide
3-Chloropyridine 1-oxide (CAS 1851-22-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4ClNO and a molecular weight of 129.544 g/mol. Key properties include a boiling point of 310.0±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 141.3±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1851-22-5
- Jingsj CID
- J-1368981-1
- Molecular Formula
- C5H4ClNO
- Molecular Weight
- 129.544 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 310.0±15.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 141.3±20.4 °C |
| Exact Mass | 128.998138 |
| PSA | 25.46000 |
| LogP | -0.61 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.552 |
| Storage Conditions | Refrigerator |
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-Chloropyridine 1-oxide?
The CAS number of 3-Chloropyridine 1-oxide is 1851-22-5.
What are the molecular formula and molecular weight of 3-Chloropyridine 1-oxide?
3-Chloropyridine 1-oxide has molecular formula C5H4ClNO and molecular weight 129.544 g/mol.
What are the upstream and downstream products of 3-Chloropyridine 1-oxide?
For 3-Chloropyridine 1-oxide, Upstream Products: 3-Chloropyridine; Downstream Products: 3-Chloro-2-cyanopyridine, 5-Chloro-2-cyanopyridine, 3-Chloropyridine.
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-Chloropyridine 1-oxide (CAS 1851-22-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368981-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.