1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester
- CAS NO.：1282518-60-8
- Empirical Formula: C12H21BN2O2
- Molecular Weight: 236.12
- MDL number: MFCD17167306
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-01 18:08:31
What is 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester?
Synthesis
1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester could be synthesized through the reaction of 1-isopropyl-1H-pyrazole with 2-isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane. Tetrahydrofuran could used as an organic solvent. The crude product added n-hexane, heated to 40°C to dissolve the system, cooled to -20°C, stirred and crystallized, and filtered. Vacuum drying to obtain the target compound 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester, with a yield of 77% and a purity of 99.3%.
Properties of 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester
| Boiling point: | 327.3±15.0 °C(Predicted) |
| Density | 1.03±0.1 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,Store in freezer, under -20°C |
| pka | 1.98±0.10(Predicted) |
| form | solid |
| color | White to off-white |
Safety information for 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P312:Call a POISON CENTER or doctor/physician if you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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. P403+P233:Store in a well-ventilated place. Keep container tightly closed. |
Computed Descriptors for 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester
Abamectin manufacturer
ZunaChem Pvt Ltd
1Y
Phone:+91-7093354085
Whatsapp: +91 7093354085
product: 1-Isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1282518-60-8 98%
Mekong pharmaceuticals pvt ltd
1Y
Phone:+918008212221
Whatsapp: +91- 8008212221
product: 1282518-60-8 1-Isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 98%
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