3,5-dimethylpyrazole-4-boronic acid, pinacol ester

Modify Date: 2024-02-25 20:26:12

3,5-dimethylpyrazole-4-boronic acid, pinacol ester Structure
3,5-dimethylpyrazole-4-boronic acid, pinacol ester structure
Common Name 3,5-dimethylpyrazole-4-boronic acid, pinacol ester
CAS Number 857530-80-4 Molecular Weight 222.092
Density 1.1±0.1 g/cm3 Boiling Point 364.5±42.0 °C at 760 mmHg
Molecular Formula C11H19BN2O2 Melting Point 163-168ºC(lit.)
MSDS N/A Flash Point 174.3±27.9 °C

 Names

Name 3,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 364.5±42.0 °C at 760 mmHg
Melting Point 163-168ºC(lit.)
Molecular Formula C11H19BN2O2
Molecular Weight 222.092
Flash Point 174.3±27.9 °C
Exact Mass 222.153961
PSA 47.14000
LogP 1.32570
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.488
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/38
Safety Phrases 26
WGK Germany 3
HS Code 2934999090

 Synthetic Route

~59%

3,5-dimethylpyrazole-4-boronic acid, pinacol ester Structure

3,5-dimethylpyr...

CAS#:857530-80-4

Literature: Larsen, Matthew A.; Hartwig, John F. Journal of the American Chemical Society, 2014 , vol. 136, # 11 p. 4287 - 4299

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
1H-Pyrazole, 3,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-