Skip to main content

4-nitro-1H-pyridin-2-one

Also known as: 2-hydroxy-4-nitropyridine, 4-nitropyridin-2-ol, 4-nitro-2-pyridinol, 4-nitro-2(1H)-pyridinone, 4-nitropyrid-2-one, MFCD04114149

4-nitro-1H-pyridin-2-one (CAS 4487-51-8) 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 boiling point of 407.8±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 200.4±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4487-51-8
Jingsj CID
J-1494109-4
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 quote

Physicochemical Properties

Boiling Point407.8±30.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point200.4±24.6 °C
Exact Mass140.022186
PSA78.94000
LogP-0.33
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.623

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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-nitro-1H-pyridin-2-one?

The CAS number of 4-nitro-1H-pyridin-2-one is 4487-51-8.

What are the molecular formula and molecular weight of 4-nitro-1H-pyridin-2-one?

4-nitro-1H-pyridin-2-one has molecular formula C5H4N2O3 and molecular weight 140.097 g/mol.

What are the upstream and downstream products of 4-nitro-1H-pyridin-2-one?

For 4-nitro-1H-pyridin-2-one, Downstream Products: 1-Methyl-5-nitropyridin-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. "4-nitro-1H-pyridin-2-one (CAS 4487-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494109-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.