3-chloro-5-nitropyridin-4-ol
Also known as: 3-Chloro-4-hydroxy-5-nitropyridine, 5-Chloro-3-nitro-4-pyridinol, 3-Chloro-5-nitro-4(1H)-pyridinone, 3-Chloro-5-nitro-4-pyridinol, 3-chloro-5-nitro-1H-pyridin-4-one
3-chloro-5-nitropyridin-4-ol (CAS 31872-64-7) 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 263℃, a boiling point of 273.9±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 119.5±27.3 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31872-64-7
- Jingsj CID
- J-1363254-7
- 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 | 263℃ |
|---|---|
| Boiling Point | 273.9±40.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 119.5±27.3 °C |
| Exact Mass | 173.983215 |
| PSA | 78.94000 |
| LogP | -1.29 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.603 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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-chloro-5-nitropyridin-4-ol?
The CAS number of 3-chloro-5-nitropyridin-4-ol is 31872-64-7.
What are the molecular formula and molecular weight of 3-chloro-5-nitropyridin-4-ol?
3-chloro-5-nitropyridin-4-ol has molecular formula C5H3ClN2O3 and molecular weight 174.542 g/mol.
Is 3-chloro-5-nitropyridin-4-ol hazardous?
3-chloro-5-nitropyridin-4-ol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 3-chloro-5-nitropyridin-4-ol?
For 3-chloro-5-nitropyridin-4-ol, Upstream Products: 4-Hydroxy-3-nitropyridine; Downstream Products: 7-Chlorothiazolo[4,5-c]pyridine-2-thiol, 3-Chloro-5-nitropyridin-4-amine, 4,5-Dichloropyridin-3-amine.
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-chloro-5-nitropyridin-4-ol (CAS 31872-64-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1363254-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.