3-Hydroxy-4-nitropyridine 1-oxide
3-羟基-4-硝基吡啶1-氧化物
Also known as: 4-Nitro-3-pyridinol 1-oxide, 3-Hydroxy-4-nitropyridine N-oxide, 4-nitro-1-oxidopyridin-1-ium-3-ol, 4-Nitro-1-oxypyridin-3-ol, 3-Hydroxy-4-nitro-pyridin-N-oxid, 3-Hydroxy-4-nitro-pyridin-N-oxyd, 4-nitro-3-hydroxy pyridine-N-oxide
3-Hydroxy-4-nitropyridine 1-oxide (CAS 19355-03-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O4 and a molecular weight of 156.096 g/mol. It is also known as 4-Nitro-3-pyridinol 1-oxide, 3-Hydroxy-4-nitropyridine N-oxide and 4-nitro-1-oxidopyridin-1-ium-3-ol. Key properties include a boiling point of 412.2±25.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 203.1±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19355-03-4
- Jingsj CID
- J-1458946-7
- Molecular Formula
- C5H4N2O4
- Chinese Name
- 3-羟基-4-硝基吡啶1-氧化物
- Molecular Weight
- 156.096 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 412.2±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 203.1±23.2 °C |
Frequently Asked Questions
What is the CAS number of 3-Hydroxy-4-nitropyridine 1-oxide?
The CAS number of 3-Hydroxy-4-nitropyridine 1-oxide is 19355-03-4.
What are the molecular formula and molecular weight of 3-Hydroxy-4-nitropyridine 1-oxide?
3-Hydroxy-4-nitropyridine 1-oxide has molecular formula C5H4N2O4 and molecular weight 156.096 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Hydroxy-4-nitropyridine 1-oxide (CAS 19355-03-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1458946-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.