CAS:844891-04-9 | 1,3,5-Trimethyl-1H-pyrazole-4-boronic Acid Pinacol Ester

Products Description

The substance with CAS number 844891 - 04 - 9 is 1,3,5-Trimethyl-1H-pyrazole-4-boronic Acid Pinacol Ester, also known as 1,3,5-Trimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole. Its chemical formula is C₁₂H₂₁BN₂O₂, and its molecular weight is 236.12.

1,3,5-Trimethyl-1H-pyrazole-4-boronic Acid Pinacol Ester is a white crystalline solid with good solubility in common organic solvents. Its density is 1.04 ± 0.1 g/cm³, melting point is 91 - 93 °C, boiling point is 335.7 ± 42.0 °C, flash point is 156.8 °C, vapor pressure is 0.000229 mmHg at 25 °C, refractive index is 1.503, and acidity coefficient is 3.13 ± 0.10.

Basic Info

Safety Information

Hazardous Material Symbol: Xi (irritant), Xn (harmful)
Risk Terms: R36/37/38 (irritant to eyes, respiratory system and skin), R22 (harmful if swallowed)
Safety Terms: S26 (if accidentally contacted with eyes, please rinse immediately with plenty of water and seek medical advice), S36/37/39 (wear appropriate protective clothing, gloves and goggles or masks), S36 (wear appropriate protective clothing), S22 (do not inhale dust)
WGK Germany: 3
Hazard Note: Harmful

Uses

1,3,5-Trimethyl-1H-pyrazole-4-boronic Acid Pinacol Ester is used as a raw material for reagents and catalysts in organic synthesis to construct complex organic molecular structures.
It is an important reagent for coupling reactions of C-C bonds and C-N bonds, and has important applications in drug synthesis, material science and other fields.

Company Profile

Gnee Chem is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our products are widely exported to many countries, such as the United States, Russia, Canada, Australia, Europe, etc., and we provide customers with fast shipping services. We hope to establish long-term and mutually beneficial cooperation with more friends in the future, and provide the best products and services for our customers.

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