2-Chloropyridine N-oxide
Also known as: 2-Chloropyridine 1-oxide, 2-Chloropyridine oxide, 2-chloro-1-oxidopyridin-1-ium, 2-chloropyridin-1-ol, N-oxy-2-chlorpyridine
2-Chloropyridine N-oxide (CAS 2402-95-1) 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 129.54600 g/mol. Key properties include a melting point of 67-70°C, a boiling point of 453.5±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 228.1±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 2402-95-1
- Jingsj CID
- J-34215-4
- Molecular Formula
- C5H4ClNO
- Molecular Weight
- 129.54600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 67-70°C |
|---|---|
| Boiling Point | 453.5±55.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 228.1±31.5 °C |
| Exact Mass | 247.051239 |
| PSA | 25.46000 |
| LogP | 1.18 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.716 |
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-Chloropyridine N-oxide?
The CAS number of 2-Chloropyridine N-oxide is 2402-95-1.
What are the molecular formula and molecular weight of 2-Chloropyridine N-oxide?
2-Chloropyridine N-oxide has molecular formula C5H4ClNO and molecular weight 129.54600 g/mol.
What are the upstream and downstream products of 2-Chloropyridine N-oxide?
For 2-Chloropyridine N-oxide, Upstream Products: 2-Chloropyridine, 2-Aminopyridine 1-oxide, Acetyl chloride; Downstream Products: 2-Chloro-4-cyanopyridine, 2-Chloro-6-cyanopyridine, 4-Aminopyridin-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. "2-Chloropyridine N-oxide (CAS 2402-95-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34215-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.