Citric acid, also known as citric acid, is a colorless crystalline organic acid with a sour taste, soluble in water, ethanol, and ether, but insoluble in chloroform and dichloromethane. Applicati...

Citric acid, also known as citric acid, is a colorless crystalline organic acid with a sour taste, soluble in water, ethanol, and ether, but insoluble in chloroform and dichloromethane. Applications: Chemical Industry: Citric acid is widely used in the synthesis of various chemical products such as plasticizers, resins, and coatings. Eco-friendly plasticizers like citrate esters are being used as alternatives to traditional phthalate esters to reduce environmental pollution. It is a precursor for the production of 1,4-butanediol (BDO), which can be further used to synthesize polyurethanes, elastomers, and engineering plastics. Pharmaceuticals: Citric acid plays a significant role in the pharmaceutical industry as an intermediate in drug synthesis for antibacterial agents, anti-inflammatory drugs, and other active pharmaceutical ingredients. Its biocompatibility makes it useful as a drug carrier, improving the stability and bioavailability of drugs. It has applications in regulating immunity, antioxidation, anti-inflammation, and is used in the treatment of various diseases. Food Industry: Citric acid is used as an acidity regulator, antioxidant, and yeast nutrient in the food industry to enhance flavor and extend shelf life. Agriculture: It is an important raw material for plant growth regulators and microbial fertilizers, helping improve crop yield and disease resistance. Environmental Materials: With the growing focus on sustainability, bio-based citric acid has increasingly been used in producing biodegradable plastics, such as polybutylene succinate (PBS), which has excellent biodegradability and mechanical properties, widely used in packaging, agricultural films, and single-use items.  

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