2,3-Dimethyl-4-nitropyridine N-oxide
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. 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. 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.
- 37699-43-7
- Jingsj CID
- J-1503649-4
- Molecular Formula
- C7H8N2O3
- Molecular Weight
- 168.150 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 94-98 °C(lit.) |
|---|---|
| Boiling Point | 403.3±40.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 197.7±27.3 °C |
| Exact Mass | 168.053497 |
| PSA | 71.28000 |
| LogP | 0.37 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.574 |
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 2,3-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 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 2,3-Dimethyl-4-nitropyridine N-oxide?
For 2,3-Dimethyl-4-nitropyridine N-oxide, Upstream Products: 2,3-Dimethylpyridine 1-oxide, 2-Methyl-4-nitropyridine N-oxide, 2,3-Dimethylpyridine; Downstream Products: 4-Chloro-2,3-dimethylpyridine 1-oxide, (4-chloro-3-methylpyridin-2-yl)methanol, 2-[[(3-methyl-4-nitro-2-pyridinyl)methyl]thio]-1H-benzimidazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dimethyl-4-nitropyridine N-oxide (CAS 37699-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503649-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.