3-Fluorobenzoic acid powder Raw Materials CAS 455-38-9

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Uses and synthesis of 3-Fluorobenzoic acid powder

3-Fluorobenzoic acid powder belongs to benzoic acid derivatives, 3-Fluorobenzoic acid CAS 455-38-9 is white to off-white crystalline powder at room temperature and pressure, 3-Fluorobenzoic acid Raw Materials has significant acidity, should be avoided. Alkaline substances should be kept sealed at room temperature in a dry environment.

Applications / Functions of 3-Fluorobenzoic acid powder

3-Fluorobenzoic acid powder can be used as organic synthesis intermediates, medicine, pesticide, liquid crystal material intermediates.

Physicochemical Property of 3-Fluorobenzoic acid powder

White or yellowish powder. Melting point 122-124°C.

Production methodprocess of 3-Fluorobenzoic acid powder

• 1、Deaminated by 2-amino-5-chlorobenzoic acid to get 3-Fluorobenzoic acid CAS 455-38-9 .
• 2, m-chlorotrichlorobenzene hydrolysis method 40 m-chlorotrichlorobenzene added to 3100 1% sodium hydroxide aqueous solution, at 97 ~ 99 ℃ reaction 1.5h to 3-Fluorobenzoic acid Raw Materials, yield 98%.
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• 3, benzoic acid chlorination method will be 0.1 mol benzoic acid and 0.1 mol silver chloride added to 100 ml of concentrated sulfuric acid and 15 ml of water in the mixture, under the cooling of carbon tetrachloride has been dissolved 7.8 g of chlorine 135 ml of carbon tetrachloride, stirring for 3h, the main 3-Fluorobenzoic acid powder, the by-product of dichlorobenzoic acid.
• 4, m-chlorotoluene oxidation method will be m-chlorotoluene in the acetic acid containing Co (OAc) 2 and sodium bromide at 95 ℃ by liquid-phase catalytic oxidation of 3-Fluorobenzoic acid CAS 455-38-9, yield 95% ~ 96%.

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