Pinacol, with the CAS number 76 - 09 - 5, is a well - known organic compound. Its chemical formula is C₆H₁₄O₂, and its molecular weight is approximately 118.17 g/mol. It appears as a colorless to yellowish liquid under normal conditions. Pinacol has a melting point of about 40 - 43°C and a boiling point around 173 - 174°C. This compound is soluble in water, ethanol, and ether, which gives it a wide range of potential applications in different chemical environments.
High - quality Pinacol is produced with strict quality control measures to ensure its purity. Usually, the purity of our Pinacol product can reach over 99%, which makes it suitable for various high - end chemical synthesis and research applications.
Pinacol has numerous important uses in the field of chemistry. One of the most significant applications is in the Pinacol - pinacolone rearrangement reaction. In this reaction, Pinacol undergoes a rearrangement in the presence of acid catalysts to form pinacolone. Pinacolone is a key intermediate in the synthesis of pesticides, pharmaceuticals, and fragrances.
It is also used as a ligand in coordination chemistry. Pinacol can coordinate with metal ions to form stable complexes. These complexes are often used as catalysts in organic synthesis reactions, such as cross - coupling reactions and hydrogenation reactions. In addition, Pinacol can be used as a solvent and a reagent in some special chemical reactions due to its unique chemical and physical properties.
When using Pinacol, it is crucial to follow proper safety procedures. Since it is a chemical compound, direct contact with skin, eyes, or inhalation should be avoided. Appropriate personal protective equipment, such as gloves, goggles, and a respirator, should be worn during handling.
In a laboratory setting, Pinacol can be used in a variety of glassware, such as round - bottom flasks and test tubes. When carrying out chemical reactions involving Pinacol, it is necessary to control reaction conditions carefully. For example, in the Pinacol - pinacolone rearrangement reaction, the reaction temperature, the type and amount of acid catalyst need to be precisely controlled to ensure high reaction yields.
For large - scale industrial applications, Pinacol should be stored in a cool, dry, and well - ventilated area. It should be kept away from sources of ignition and incompatible substances. When transporting Pinacol, special attention should be paid to packaging and handling to prevent leakage and damage.
Case 1: Pharmaceutical Synthesis
In a pharmaceutical company, Pinacol was used as an intermediate in the synthesis of a new anti - inflammatory drug. The Pinacol - pinacolone rearrangement reaction was carried out under controlled acid - catalyzed conditions. By carefully optimizing the reaction temperature, catalyst concentration, and reaction time, the company was able to obtain high - quality pinacolone with a yield of over 80%. The subsequent synthesis steps using pinacolone as the starting material were also very successful, leading to the efficient production of the target drug.
Case 2: Catalyst Preparation
A research group focused on coordination chemistry used Pinacol as a ligand to prepare a new metal - Pinacol complex catalyst. They found that this catalyst showed excellent catalytic activity in the cross - coupling reaction of aryl halides and alkynes. The reaction conditions were mild, and the yield of the coupling product was high. This new catalyst has great potential in the field of organic synthesis.
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