3-Methyl-1H-pyrazole-5-boronic acid

3-Methyl-1H-pyrazole-5-boronic acid - Names and Identifiers

Name	(5-Methyl-1H-Pyrazol-3-Yl)Boronic Acid
Synonyms	BB-5881 5-Methylpyrazole-3-boronic Acid 3-Methyl-1H-pyrazole-5-boronic acid (5-Methyl-1H-pyrazol-3-yl)boronic acid (5-Methyl-1H-Pyrazol-3-Yl)Boronic Acid (3-methyl-1H-pyrazol-5-yl)boronic acid B-(5-methyl-1H-pyrazol-3-yl)Boronic acid B-(5-Methyl-1H-Pyrazol-3-Yl)Boronic Acid 5-Methyl-1H-pyrazol-3-yl hydrogen boronate Boronic acid, B-(5-methyl-1H-pyrazol-3-yl)- beta-(5-Methyl-1H-pyrazol-3-yl)boronic acid
CAS	1163248-54-1
InChI	InChI=1S/C4H7BN2O2/c1-3-2-4(5(8)9)7-6-3/h2,8-9H,1H3,(H,6,7)

3-Methyl-1H-pyrazole-5-boronic acid - Physico-chemical Properties

Molecular Formula	C4H7BN2O2
Molar Mass	125.92
Density	1.31±0.1 g/cm3 (20 ºC 760 Torr)
Boling Point	420.5±47.0 °C(Predicted)
pKa	8.68±0.53(Predicted)
Storage Condition	Inert atmosphere,Store in freezer, under -20°C

3-Methyl-1H-pyrazole-5-boronic acid - Introduction

5-Methyl-pyrazole-3-boronic acid is an organic compound with the chemical formula C6H8BN3O2.

The following are the properties of 5-methyl-pyrazole-3-boronic acid:
1. Appearance: It is a colorless crystalline solid.
2. melting point: about 236-238 degrees Celsius.
3. Solubility: It is soluble in water and weakly acidic in aqueous solution.
4. Stability: It is relatively stable at room temperature.

The following are some of the main uses of 5-methyl-pyrazole-3-boronic acid:
1. As an organic synthesis intermediate: it can be used to synthesize other organic compounds, such as organometallic complexes, catalysts and drugs.
2. Used as a polymer additive: It can be used as a stabilizer and flame retardant for polymers.
3. for optical materials: due to its special structure, 5-methyl-pyrazole-3-boronic acid can be used in dyes, coatings and optical materials.

Regarding the preparation method of 5-methyl-pyrazole-3-boronic acid, it can be usually obtained by catalytic reaction of pyrazole and formaldehyde with boric acid.

When using and handling 5-methyl-pyrazole-3-boronic acid, you need to pay attention to the following safety information:
1. Avoid direct contact with skin and eyes, and take appropriate protective measures, such as wearing gloves and goggles.
2. When discomfort or accidents occur during the use or preparation of 5-methyl-pyrazole -3-boric acid, you should seek help in time and deal with it in accordance with emergency treatment procedures.
3. 5-Methyl-pyrazole-3-boronic acid needs to be stored in a dry, well-ventilated place, away from fire and combustibles. At the same time, it needs to be kept away from children and pets.

Last Update：2024-04-09 21:54:55