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CAS Number：105-58-8
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SMILES：Abstract:CAS 105-58-8 is a chemical compound that is commonly known as benzoic acid. It is a white crystalline solid that is soluble in water and has a faint, pleasant odor. Benzoic acid is widely used in various industries, including food, pharmaceutical, and cosmetic, due to its antimicrobial and antifungal properties. This article will explore the chemical properties and applications of CAS 105-58-8.1. Chemical Properties:CAS 105-58-8 has a molecular formula of C7H6O2 and a molecular weight of 122.12 g/mol. It is a weak acid with a pKa of 4.20. Benzoic acid is stable under normal conditions but can decompose when exposed to heat, light, or oxidizing agents. It is also compatible with a wide range of solvents, including ethanol, ether, and acetone.2. Applications:Benzoic acid is commonly used as a food preservative, especially in acidic foods such as fruit juices and soft drinks. It inhibits the growth of bacteria and fungi, thereby extending the shelf life of the food. It is also used in the manufacture of various food additives, such as sodium benzoate, which is a salt of benzoic acid.In the pharmaceutical industry, benzoic acid is used as a precursor to synthesize various drugs, including benzoyl peroxide, which is used to treat acne. It is also used in the production of topical analgesics and antifungal creams.Benzoic acid is a common ingredient in cosmetic products, such as lotions, shampoos, and soaps. It is used as a preservative and fragrance ingredient due to its antimicrobial properties and pleasant odor.Conclusion:CAS 105-58-8, or benzoic acid, is a versatile and widely used chemical compound in various industries. Its antimicrobial and antifungal properties make it an effective preservative in food, pharmaceuticals, and cosmetic products. Its compatibility with a wide range of solvents also makes it a useful precursor in the synthesis of various chemicals and drugs.