1-Methyl-1H-pyrazole-5-boronic acid pinacol ester
Synonym(s):1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;2-(1-Methyl-1H-pyrazol-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-pyrazole
- CAS NO.：847818-74-0
- Empirical Formula: C10H17BN2O2
- Molecular Weight: 208.07
- MDL number: MFCD05861380
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:10
What is 1-Methyl-1H-pyrazole-5-boronic acid pinacol ester?
Chemical properties
White to light brown solid
The Uses of 1-Methyl-1H-pyrazole-5-boronic acid pinacol ester
1-Methyl-1H-pyrazole-5-boronic acid pinacol ester is used as a pharmaceutical intermediate, agrochemical intermediate.
Properties of 1-Methyl-1H-pyrazole-5-boronic acid pinacol ester
| Melting point: | 67-71 °C |
| Boiling point: | 308.3±15.0 °C(Predicted) |
| Density | 1.05±0.1 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,Store in freezer, under -20°C |
| form | crystal |
| pka | 1.94±0.10(Predicted) |
| color | white |
| Water Solubility | Slightly soluble in water. |
| CAS DataBase Reference | 847818-74-0(CAS DataBase Reference) |
Safety information for 1-Methyl-1H-pyrazole-5-boronic acid pinacol ester
| 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 1-Methyl-1H-pyrazole-5-boronic acid pinacol ester
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