2-Chloro-5-nitronicotinic acid
- CAS NO.：42959-38-6
- Empirical Formula: C6H3ClN2O4
- Molecular Weight: 202.55
- MDL number: MFCD06658402
- EINECS: 214-589-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-11 10:02:44
What is 2-Chloro-5-nitronicotinic acid?
Synthesis
2-Hydroxy-5-nitro-nicotinic acid (2.7 mmol) in a mixture of NJV- dimethylformamide (2.7 mmol) and thionyl chloride (5 ml) was heated at 80 0C for 1 h. The mixture was allowed to cool and concentrated in a vacuum. To the resulting residue, ice water (20 ml) was added, and with vigorous stirring, a precipitate formed. The precipitate was filtered off and dried in a vacuum oven to give a white solid 2-Chloro-5-nitronicotinic acid (68 percent).
Properties of 2-Chloro-5-nitronicotinic acid
| Melting point: | 140-143℃ |
| Boiling point: | 384.8±42.0 °C(Predicted) |
| Density | 1.702±0.06 g/cm3(Predicted) |
| pka | 1.57±0.10(Predicted) |
| form | Solid |
| color | White to yellow |
| Sensitive | Moisture Sensitive |
| CAS DataBase Reference | 42959-38-6(CAS DataBase Reference) |
Safety information for 2-Chloro-5-nitronicotinic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 2-Chloro-5-nitronicotinic acid
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