3,4-Dimethyl-5-nitro-2(1H)-pyridinone

3,4-二甲基-5-硝基-2(1H)-吡啶酮

Also known as: 2-Hydroxy-3,4-dimethyl-5-nitropyridine, 3,4-Dimethyl-5-nitropyridin-2-ol, 3,4-Dimethyl-5-nitropyridin-2(1H)-one, 3,4-Dimethyl-5-nitro-1H-pyridin-2-one, 3,4-Dimethyl-5-nitro-2-pyridinol, 3,4-Dimethyl-2-hydroxy-5-nitropyridine

3,4-Dimethyl-5-nitro-2(1H)-pyridinone (CAS 65169-34-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N2O3 and a molecular weight of 168.150 g/mol. It is also known as 2-Hydroxy-3,4-dimethyl-5-nitropyridine, 3,4-Dimethyl-5-nitropyridin-2-ol and 3,4-Dimethyl-5-nitropyridin-2(1H)-one. Key properties include a boiling point of 323.5±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 149.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 65169-34-8
Jingsj CID: J-1437959-8
Molecular Formula: C₇H₈N₂O₃
Chinese Name: 3,4-二甲基-5-硝基-2(1H)-吡啶酮
Molecular Weight: 168.150 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	323.5±35.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	149.4±25.9 °C

Frequently Asked Questions

What is the CAS number of 3,4-Dimethyl-5-nitro-2(1H)-pyridinone?

The CAS number of 3,4-Dimethyl-5-nitro-2(1H)-pyridinone is 65169-34-8.

What are the molecular formula and molecular weight of 3,4-Dimethyl-5-nitro-2(1H)-pyridinone?

3,4-Dimethyl-5-nitro-2(1H)-pyridinone has molecular formula C7H8N2O3 and molecular weight 168.150 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3,4-Dimethyl-5-nitro-2(1H)-pyridinone (CAS 65169-34-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437959-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.