C5H4N2O3
140.1 g/mol
Industrial ChemicalDanger
4-Nitropyridine N-oxide
CAS1124-33-0EC214-395-4
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
chemical intermediate
4-Nitropyridine N-oxide is a solid chemical compound. It is primarily used as an industrial chemical intermediate.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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industrial intermediate
Safety Reference
Danger
H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Nitropyridine N-oxide (CAS 1124-33-0) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-nitro-1-oxidopyridin-1-ium
InChIKey
RXKNNAKAVAHBNK-UHFFFAOYSA-N
SMILES
C1=C[N+](=CC=C1[N+](=O)[O-])[O-]
Synonyms (15)
- 4-Nitropyridine 1-oxide
- 4-Nitropyridine N-oxide
- 4-Nitropyridine oxide
- 4-Nitropyridine-d4N-Oxide
- 4-nitro-1-oxidopyridin-1-ium
- 4-nitropyridin-1-ium-1-olate
- 4-nitropyridin-1-ol
- 4-nitropyridin-1-oxide
- Avitrol 100
- PYRIDINE, 4-NITRO-, 1-OXIDE
- p-Nitropyridine N-oxide
- pyridine 1-oxide, 4-nitro-
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