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2,3-Dimethyl-4-nitropyridine N-oxide

2,3-二甲基-4-硝基吡啶-N-氧化物

Also known as: 2,3-Dimethyl-4-nitropyridine 1-oxide, 4-Nitro-2,3-lutidine N-oxide, 4-Nitro-2,3-dimethylpyridine 1-oxide, 2,3-Dimethyl-4-nitropyridine 1-oxide, 2,3-Dimethyl-4-nitropyridine-N-oxide, 4-Nitro-2,3-lutidine-N-oxide, MFCD00065172

2,3-Dimethyl-4-nitropyridine N-oxide (CAS 37699-43-7) 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 2,3-Dimethyl-4-nitropyridine 1-oxide, 4-Nitro-2,3-lutidine N-oxide and 4-Nitro-2,3-dimethylpyridine 1-oxide. Key properties include a melting point of 94-98 °C(lit.), a boiling point of 403.3±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 197.7±27.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
37699-43-7
Jingsj CID
J-1503649-8
Molecular Formula
C7H8N2O3
Chinese Name
2,3-二甲基-4-硝基吡啶-N-氧化物
Molecular Weight
168.150 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point94-98 °C(lit.)
Boiling Point403.3±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point197.7±27.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3-Dimethyl-4-nitropyridine N-oxide?

The CAS number of 2,3-Dimethyl-4-nitropyridine N-oxide is 37699-43-7.

What are the molecular formula and molecular weight of 2,3-Dimethyl-4-nitropyridine N-oxide?

2,3-Dimethyl-4-nitropyridine N-oxide has molecular formula C7H8N2O3 and molecular weight 168.150 g/mol.

Is 2,3-Dimethyl-4-nitropyridine N-oxide hazardous?

2,3-Dimethyl-4-nitropyridine N-oxide has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2,3-Dimethyl-4-nitropyridine N-oxide (CAS 37699-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503649-8 (accessed 2026-10-22).

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