p-hydroxyacetophenone, with the CAS number 99 - 93 - 4, is a white to off - white crystalline powder. It has a molecular formula of C₈H₈O₂ and a molecular weight of 136.15 g/mol. This high - quality product is offered at the best price, meeting the strictest quality standards. It has a melting point in the range of 109 - 111°C and a boiling point of approximately 296 - 297°C. The purity of our p - hydroxyacetophenone is typically above 99%, ensuring its effectiveness and reliability in various applications.
p - hydroxyacetophenone has a wide range of uses in different industries. In the cosmetic industry, it is used as a preservative. It can effectively inhibit the growth of bacteria, fungi, and yeasts, extending the shelf - life of cosmetic products. Due to its low toxicity and good solubility, it is a popular choice for natural and organic cosmetics.
In the pharmaceutical field, p - hydroxyacetophenone serves as an important intermediate for the synthesis of various drugs. It can be used in the production of anti - inflammatory, analgesic, and antibacterial medications. Its chemical structure allows it to participate in a variety of chemical reactions, facilitating the creation of complex drug molecules.
In the food industry, it can be used as a flavoring agent or a food preservative in some cases. It can enhance the flavor of food products and prevent spoilage, ensuring the quality and safety of food.
When using p - hydroxyacetophenone as a preservative in cosmetics, it is recommended to add it at the final stage of the manufacturing process. The recommended dosage is usually between 0.5% - 1.5% depending on the formulation of the cosmetic product. Before using it in a large - scale production, it is advisable to conduct a small - scale test to ensure compatibility with other ingredients in the formula.
In the pharmaceutical synthesis, the usage of p - hydroxyacetophenone should be strictly in accordance with the chemical reaction requirements. Appropriate solvents, catalysts, and reaction conditions should be selected to ensure the smooth progress of the reaction. Safety precautions such as wearing protective clothing, gloves, and goggles should be taken to prevent any potential chemical exposure.
When used in the food industry, it should comply with the relevant food safety regulations. The dosage and usage method should be in line with the approved standards to ensure the safety of consumers.
Case 1: A well - known cosmetic brand was facing the problem of short shelf - life of its moisturizing lotion. After adding 1% p - hydroxyacetophenone as a preservative, the shelf - life of the lotion was extended from 6 months to 12 months. Consumers reported that the quality of the lotion remained stable throughout the extended period, and there were no signs of spoilage or discoloration.
Case 2: A pharmaceutical company was developing a new anti - inflammatory drug. By using p - hydroxyacetophenone as an intermediate, they were able to synthesize the target drug molecule more efficiently. The reaction yield was increased by 20% compared to the previous method, reducing the production cost and time.
Case 3: A food processing factory was producing fruit juice. They added a small amount of p - hydroxyacetophenone as a preservative according to the food safety standards. The fruit juice maintained its fresh flavor and nutritional value for a longer time, and the spoilage rate was reduced by 30%, which improved the overall quality of the product and reduced economic losses.
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