High-Quality Food Additives Benzoic Acid Low Price

• CAS No.: 65-85-0
• Formula: C7h6o2
• EINECS: 200-618-2
• Composition: Potassium Sorbate
• Type: Meat Preservative
• Effect: Antiseptic
• Model NO.: 65-85-0
• Resource: Natural Preservatives
• Transport Package: Bag
• Specification: 99%
• Trademark: Flying Deer
• Origin: China

Product Description

Comprehensive Report on Benzoic Acid

Introduction: Benzoic acid is a compound belonging to the class of aromatic carboxylic acids. It is widely utilized in various industries due to its antimicrobial properties, ability to preserve food and beverages, and applications in the synthesis of pharmaceuticals, dyes, and other organic compounds.

Chemical Properties:

• Chemical Formula: Benzoic acid has the chemical formula C7H6O2 and is structurally composed of a benzene ring with a carboxylic acid group (-COOH) attached.
• Solubility: Benzoic acid is sparingly soluble in cold water but more soluble in hot water, ethanol, and other organic solvents.
• Melting Point: It has a relatively low melting point of 122°C (252°F), allowing it to be easily purified through recrystallization.

Synthesis: Benzoic acid can be synthesized through various methods, including:

1. Oxidation of Toluene: Toluene, a derivative of benzene, can be oxidized using oxidizing agents such as potassium permanganate or chromic acid to produce benzoic acid.
2. Hydrolysis of Benzyl Chloride: Benzyl chloride can undergo hydrolysis in the presence of aqueous sodium hydroxide (NaOH) to yield benzoic acid.
3. Kolbe-Schmitt Reaction: The Kolbe-Schmitt reaction involves the reaction of sodium phenoxide (formed from phenol and sodium hydroxide) with carbon dioxide under high pressure and temperature to produce salicylic acid, which can be further converted to benzoic acid.

Applications:

1. Food Preservation: Benzoic acid and its salts, such as sodium benzoate and potassium benzoate, are commonly used as preservatives in food and beverages to inhibit the growth of bacteria, yeast, and molds. They are effective against a wide range of microorganisms and are especially useful in acidic products like soft drinks, fruit juices, and pickles.
2. Pharmaceuticals: Benzoic acid serves as a precursor in the synthesis of pharmaceuticals, including nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin, antifungal agents, and benzodiazepins.
3. Cosmetics: It is used in cosmetics and personal care products as a preservative and fragrance ingredient to extend shelf life and mask undesirable odors.
4. Plastics and Polymers: Benzoic acid derivatives are employed as plasticizers and intermediates in the production of polymers, resins, and plastic materials.
5. Perfumery: Benzoic acid and its esters are utilized in perfumery to impart sweet, balsamic, or almond-like aromas to fragrances and perfumes.

Safety Considerations: Benzoic acid and its salts are generally recognized as safe (GRAS) by regulatory agencies when used within specified limits. However, excessive consumption of foods and beverages containing benzoic acid or its derivatives may lead to adverse health effects, including allergic reactions and hypersensitivity in sensitive individuals.

Environmental Impact: Benzoic acid is biodegradable under aerobic conditions and does not persist in the environment. However, its derivatives, such as sodium benzoate, may contribute to environmental pollution if improperly disposed of or released into water bodies.

Conclusion: Benzoic acid is a versatile compound with diverse applications in food preservation, pharmaceuticals, cosmetics, and industrial processes. Its antimicrobial properties, low cost, and ease of synthesis make it an essential ingredient in various consumer products. As research continues to explore its potential applications and safety considerations, benzoic acid remains a valuable component in modern industry and technology.