3-Bromo-4-methyl-5-nitropyridin-2-ol
- CAS NO.：1049706-72-0
- Empirical Formula: C6H5BrN2O3
- Molecular Weight: 233.02
- MDL number: MFCD12024451
- SAFETY DATA SHEET (SDS)
- Update Date: 2022-12-30 16:20:48
What is 3-Bromo-4-methyl-5-nitropyridin-2-ol?
Preparation
3-bromo-4-methyl-5-nitropyridin-2-ol synthesis: 4-Methyl-5-nitropyridin-2-ol (104.5 g, 0.68 mol) was suspended in AcOH (1000 mL) and bromine (208 mL, 6 eq) was added dropwise in 1.5 h. The mixture was stirred for 5 min, the poured into icewater (2000 mL) and stirred for 1 h. The resulting suspension was filtered and the residue was washed with water (3*100 mL), dried in vacuo and then stripped with toluene (2*500 mL) and CH3CN (500 mL). This afforded 3-bromo-4-methyl-5-nitropyridin-2-ol as a yellow solid (143.8 g, 91%).
Properties of 3-Bromo-4-methyl-5-nitropyridin-2-ol
| Boiling point: | 301.8±42.0 °C(Predicted) |
| Density | 1.84±0.1 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | 6.61±0.10(Predicted) |
Safety information for 3-Bromo-4-methyl-5-nitropyridin-2-ol
| 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. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Bromo-4-methyl-5-nitropyridin-2-ol
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product: 1049706-72-0 3-bromo-4-methyl-5-nitropyridin-2-ol 98%
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