2-Hydroxy-3-nitropyridine
Also known as: 3-nitropyridin-2-ol, 3-Nitro-2-pyridinol, 3-Nitro-2(1H)-pyridinone, 2-Pyridinol, 3-nitro-, 3-Nitro-2-pyridone, MFCD00006270, EINECS 228-709-2
2-Hydroxy-3-nitropyridine (CAS 6332-56-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O3 and a molecular weight of 140.097 g/mol. Key properties include a melting point of 212 °C (dec.)(lit.), a boiling point of 314.7±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 144.1±22.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6332-56-5
- Jingsj CID
- J-11544-6
- Molecular Formula
- C5H4N2O3
- Molecular Weight
- 140.097 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 212 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 314.7±22.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 144.1±22.3 °C |
| Exact Mass | 140.022186 |
| PSA | 78.68000 |
| LogP | -0.31 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.623 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Hydroxy-3-nitropyridine?
The CAS number of 2-Hydroxy-3-nitropyridine is 6332-56-5.
What are the molecular formula and molecular weight of 2-Hydroxy-3-nitropyridine?
2-Hydroxy-3-nitropyridine has molecular formula C5H4N2O3 and molecular weight 140.097 g/mol.
Is 2-Hydroxy-3-nitropyridine hazardous?
2-Hydroxy-3-nitropyridine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-Hydroxy-3-nitropyridine?
For 2-Hydroxy-3-nitropyridine, Upstream Products: 2-Amino-3-nitropyridine, 2-Chloro-3-nitropyridine, 2(1H)-Pyridone; Downstream Products: 3-Amino-2(1H)-pyridinone, 3-Amino-2-pyridinecarbonitrile, 2-Chloro-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. "2-Hydroxy-3-nitropyridine (CAS 6332-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11544-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.