Best price 4-Bromobenzoic acid CAS 586-76-5

Best price 4-Bromobenzoic acid CAS 586-76-5

4-Bromobenzoic Acid is used in the synthesis of natural based insecticides. Also used in the synthesis of anticancer compounds used in the treatment of diseases such as breast cancer.

production method
1. Add phenol to the reaction kettle, stir and add water and heat up to 60°C. Add bromine dropwise. Continue stirring for 30 minutes after the addition is complete. Then it was cooled to 40°C and filtered. The cake was washed with water until neutral to obtain crude product. The crude product was dissolved in ethanol at 70° C., activated carbon was added for decoloration, and after filtering, an equal amount of water was mixed with the filtrate, ie, needle-like crystals were precipitated as a finished product. The yield is about 96%.production method
2. The bromine toluene is obtained through oxidation and acidification. Will be bromine toluene, water, potassium hydroxide mixed, heated and boiled, potassium permanganate was added in portions, and then refluxed for 4h, filtered crude acid. Then in dilute ethanol with ammonia dissolved, filtered, hydrochloric acid and water, washed to obtain the finished product.

use
1. Uses: Organic synthesis intermediates.

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1> Cosmetic Raw Materials: Cosmetics is a variety of raw materials through a reasonable deployment of processing from the compound mixture. Cosmetics with a wide range of raw materials, different performance. According to the raw material properties and uses of cosmetics, can be divided into matrix materials and auxiliary raw materials in two categories. The former is a class of cosmetics in the main raw materials, cosmetics in the possession of a large proportion of the cosmetics play a major role in the role of the material. The latter is the formation of cosmetics, stability or to give color, smell and other characteristics of the role of these substances in the cosmetic formula is not used, but it is extremely important. Cosmetics are natural, synthetic or extracted from the role of different substances as raw materials, by heating, mixing and emulsification and other production processes processed from the chemical mixture.

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4> Organic Raw Material: Intermediates are also known as organic intermediates. The use of coal tar or petroleum products as raw materials to produce dyes, pesticides, pharmaceuticals, resins, additives, and other intermediates.

5> Chemicals Used In Paints: Paint, the traditional Chinese name is paint. So-called coating is coated on the surface of the object that be protected or be adornment, and with the continuous film coating to form strong adhesion, usually in resin, or oil, or emulsion is given priority to, add or not add pigment, filler, add the corresponding additives, organic solvents or water preparation of viscous liquid.