4-Chloro-3-nitropyridin-2-ol
Also known as: 4-Chloro-3-nitro-2-pyridone, 4-Chloro-3-nitro-2-hydroxypyridine, 4-Chloro-3-nitropyridin-2(1H)-one, 4-Chloro-3-nitro-1H-pyridin-2-one, 2-Hydroxy-3-nitro-4-chloropyridine, 4-Chloro-3-nitro-2-pyridinol, MFCD03093067
4-Chloro-3-nitropyridin-2-ol (CAS 165547-79-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClN2O3 and a molecular weight of 174.542 g/mol. Key properties include a melting point of 222-224°C, a boiling point of 330.7±37.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 153.8±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 165547-79-5
- Jingsj CID
- J-1499060-4
- Molecular Formula
- C5H3ClN2O3
- Molecular Weight
- 174.542 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 222-224°C |
|---|---|
| Boiling Point | 330.7±37.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 153.8±26.5 °C |
| Exact Mass | 173.983215 |
| PSA | 78.68000 |
| LogP | 0.25 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.637 |
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 4-Chloro-3-nitropyridin-2-ol?
The CAS number of 4-Chloro-3-nitropyridin-2-ol is 165547-79-5.
What are the molecular formula and molecular weight of 4-Chloro-3-nitropyridin-2-ol?
4-Chloro-3-nitropyridin-2-ol has molecular formula C5H3ClN2O3 and molecular weight 174.542 g/mol.
What are the upstream and downstream products of 4-Chloro-3-nitropyridin-2-ol?
For 4-Chloro-3-nitropyridin-2-ol, Upstream Products: 2,4-Dihydroxy-3-nitropyridine, 2,4-Dichloro-3-nitropyridine, 4-Chloro-3-nitropyridin-2-amine; Downstream Products: 4-chloro-3-nitro-2-(phenylmethoxy)pyridine, 3-Nitropyridine-2,4-diamine, 4-Amino-2-hydroxy-3-nitropyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-3-nitropyridin-2-ol (CAS 165547-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499060-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.