HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 147607Generated: November 3, 2026
Pyridine, 3-ethyl-4-nitro-, 1-oxide
Pyridine, 3-ethyl-4-nitro-, 1-oxide · 3-ethyl-4-nitropyridin-1-ium-1-olate · 3-ETHYL-4-NITRO-1-OXIDOPYRIDIN-1-IUM
https://huagongshe.com/en/chemical/147607
Identifiers & Physical Properties
| CAS No. | 35363-12-3 |
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| Molecular formula | C7H8N2O3 |
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| Average molar mass | 168.15 g/mol |
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| Monoisotopic mass | 168.05349212 g/mol |
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| SMILES | CCc1c[n+]([O-])ccc1[N+](=O)[O-] |
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| InChIKey | DFWFKLVRAXNFAN-UHFFFAOYSA-N |
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| PubChem CID | 147607 |
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| EC No. | 184-062-5 |
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| DTXSID | DTXSID40188851 |
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Chemical & Physical Properties
| XLogP | 0.5 |
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| Topological polar surface area | 71.3 |
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| Hydrogen bond donors | 0 |
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| Hydrogen bond acceptors | 3 |
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| Rotatable bonds | 1 |
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| Heavy atoms | 12 |
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| Formal charge | 0 |
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| Complexity | 169 |
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| Boiling point | 297.07°C (rough estimate) |
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| Density | 1.3722 (rough estimate) |
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| Refractive index | 1.5200 (estimate) |
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| pKa (acidity coefficient) | -1.22±0.10(Predicted) |
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| GHS pictogram | GHS07 |
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| Signal word | Warning |
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| GHS hazard statements | H302-H315-H319-H335 |
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| GHS precautionary statements | P280-P305+P351+P338 |
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Safety & Regulations
| GHS classification | DangerH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P203, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P318, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory. |
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| Hazard Classes and Categories | Acute Tox. 4 (100%) |
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| Signal word | Warning |
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| GHS pictogram | GHS07 |
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| GHS hazard statements | H302-H315-H319-H335 |
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| GHS precautionary statements | P280-P305+P351+P338 |
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