3-Pyridinol N-oxide
Synonym(s):3-Pyridinol N-oxide
- CAS NO.：6602-28-4
- Empirical Formula: C5H5NO2
- Molecular Weight: 111.1
- MDL number: MFCD00006200
- EINECS: 229-545-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:27
What is 3-Pyridinol N-oxide?
Chemical properties
light yellow to beige fine crystalline powder
The Uses of 3-Pyridinol N-oxide
3-Hydroxypyridine N-oxide was used to study the substrate specificity of dimethyl sulfoxide reductase, isolated from anaerobically grown Escherichia coli.
What are the applications of Application
3-Hydroxypyridine N-oxide is used to study the substrate specificity of dimethyl sulfoxide reductase.
General Description
3-Hydroxypyridine N-oxide exists in ethanol in the form of free base and in acid medium in the form of conjugate acid.
Properties of 3-Pyridinol N-oxide
| Melting point: | 190-192 °C(lit.) |
| Boiling point: | 208.19°C (rough estimate) |
| Density | 1.3113 (rough estimate) |
| refractive index | 1.4260 (estimate) |
| pka | 8.07±0.10(Predicted) |
| form | powder to crystal |
| color | White to Yellow to Orange |
| CAS DataBase Reference | 6602-28-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridinium,1,3-dihydroxy-,1-hydroxide,inner salt(6602-28-4) |
Safety information for 3-Pyridinol N-oxide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H351:Carcinogenicity |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for 3-Pyridinol N-oxide
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