Waterfree citric acid

What is Waterfree Citric Acid?

Waterfree citric acid, also known as anhydrous citric acid, is a chemical compound derived from citric acid but processed to remove the water content. It shares many of the versatile properties and applications of regular citric acid but is in a more concentrated form. This white, crystalline powder has a tart taste and is widely utilized in various industries for its acidity, chelating abilities, and pH-regulating properties.

Applications of Waterfree Citric Acid

  1. Food and Beverage Industry: Waterfree citric acid is commonly used as an acidulant and flavor enhancer in the food and beverage industry. It imparts a tangy taste to products like fruit-flavored candies, soft drinks, and sour snacks.
  2. Pharmaceuticals: In pharmaceuticals, anhydrous citric acid is used as an excipient in tablet formulations, often in combination with other ingredients to control pH and enhance the dissolution of active pharmaceutical ingredients.
  3. Cosmetics and Personal Care Products: It is a key ingredient in cosmetic formulations such as skin creams, shampoos, and bath products. Its acidic nature helps regulate the pH of these products and improve their stability.
  4. Cleaning Products: Waterfree citric acid is used in various cleaning products, particularly in descaling solutions and rust removers. It effectively breaks down mineral deposits and stains.
  5. Detergents: In laundry detergents, it acts as a water softener, improving the cleaning power by preventing the formation of soap scum and mineral deposits on clothing.

Waterfree Citric Acid: Benefits

The utility of waterfree citric acid can be attributed to several key advantages:

  1. Concentration: Anhydrous citric acid is more concentrated than its hydrated counterpart, which means that a smaller amount can achieve the same level of acidity or chelating activity.
  2. pH Control: It helps control and adjust the pH levels of products, ensuring that they are within the desired range for stability and safety.
  3. Chelating Agent: Waterfree citric acid is an effective chelating agent, capable of binding to metal ions and preventing oxidation, discoloration, and precipitation in various applications.
  4. Flavor Enhancement: In the food industry, it enhances the flavor of products and contributes to their overall sensory appeal.
  5. Biodegradable: Like citric acid, anhydrous citric acid is biodegradable and environmentally friendly when properly disposed of.

How Waterfree Citric Acid is Made

The production of waterfree citric acid begins with citric acid, which is typically obtained through a fermentation process using the fungus Aspergillus niger. To create the anhydrous form, the citric acid is carefully dried to remove the water content, leaving behind the concentrated, crystalline powder known as waterfree citric acid.

In conclusion, waterfree citric acid is a concentrated and versatile chemical compound widely used in food, pharmaceuticals, cosmetics, cleaning products, and detergents. Its acidity, chelating abilities, and pH-regulating properties make it a valuable ingredient in a range of consumer goods and industrial applications. Understanding its benefits and production process highlights its significance in modern manufacturing and product development.

Where can I buy Waterfree citric acid in Europe ?

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