P-toluenesulfonic acid, with CAS numbers 104 - 15 - 4 and 6192 - 52 - 5, is an organic compound. It is typically a white crystalline solid. The chemical formula of p-toluenesulfonic acid is C₇H₈O₃S. It has a molecular weight of approximately 172.20 g/mol.
This product is soluble in water, ethanol, and other polar solvents. It has a melting point around 106 - 107°C. The purity of our factory - supplied p-toluenesulfonic acid can reach a high level, ensuring its quality and performance in various applications.
P-toluenesulfonic acid has a wide range of uses in different industries. In the chemical synthesis industry, it is commonly used as a strong acid catalyst. It can catalyze esterification reactions, acetalization reactions, and other organic reactions. For example, in the production of esters, p-toluenesulfonic acid can significantly accelerate the reaction rate and improve the yield of the target product.
In the pharmaceutical industry, it can be used as an intermediate for the synthesis of some drugs. It helps in the construction of specific chemical structures during the drug synthesis process. In addition, it is also used in the production of dyes, coatings, and plastics. In the dye industry, it can be involved in the synthesis of some special dyes, improving their color - fastness and other performance indicators.
When using p-toluenesulfonic acid, appropriate protective equipment should be worn, including gloves, goggles, and a lab coat, as it is a strong acid and may cause irritation to the skin and eyes.
For small - scale laboratory use, accurate weighing is required. The amount used should be determined according to the specific reaction requirements. Usually, a small amount of p-toluenesulfonic acid can play a catalytic role. It should be added slowly to the reaction system under stirring conditions to ensure uniform mixing and avoid local over - concentration.
In industrial production, it is necessary to ensure that the reaction equipment is corrosion - resistant because p-toluenesulfonic acid is corrosive. The storage conditions should be dry and cool, away from heat sources and oxidants.
Case 1: Esterification Reaction in a Chemical Factory
A chemical factory wants to produce a certain ester compound. They use p-toluenesulfonic acid as a catalyst. In a 500 - liter reaction kettle, they add the corresponding alcohol and carboxylic acid in a certain molar ratio. Then, they add about 1% (by mass) of p-toluenesulfonic acid to the reaction system. Under the condition of heating and reflux for several hours, the reaction reaches a high conversion rate, and the yield of the ester product can reach more than 90%. After the reaction, through simple separation and purification steps, high - purity ester products can be obtained.
Caso 2: Síntesis de un intermediario farmacéutico
A pharmaceutical company is synthesizing a key intermediate for a new drug. P-toluenesulfonic acid is used to catalyze a specific cyclization reaction. In a laboratory - scale experiment, they accurately weigh a small amount of p-toluenesulfonic acid and add it to the reaction solution containing the raw materials. Under the appropriate reaction temperature and time conditions, the reaction proceeds smoothly, and the intermediate product with the expected structure is obtained. This intermediate is then used for the subsequent steps of drug synthesis.
If you have any questions about our Factory Supply P-toluenesulfonic Acid Cas 104 - 15 - 4/6192 - 52 - 5 With Best Price, please feel free to contact us. Our email is info@vivalr.com, and our phone number is (86) 15866781826.
Este es William, CEO de Zhishang Chemical Co., Ltd.
Le invitamos a visitar nuestra fábrica. Como el fabricante de productos químicos superior, nos hemos estado esforzando para la calidad del producto, la innovación, el R&D, y el servicio de atención al cliente por los últimos 7 años. En los próximos 10 años o incluso más, nos comprometemos a convertirnos en el proveedor de productos químicos más fiable del mundo, creando una marca internacional conocida en la que confíen los clientes, con el espíritu de "un metro de ancho, diez mil metros de profundidad", seguimos centrándonos en la investigación y el desarrollo de productos, seguimos centrándonos en el servicio al cliente, seguimos mejorando el sistema de servicio de la cadena de suministro, para crear un equipo profesional de servicio de suministro de productos químicos, para lograr una cooperación a largo plazo en la que todos ganen. No dude en ponerse en contacto con nosotros si tiene alguna pregunta.
Spanish 
English (United States) 
English (Australia) 
Portuguese