The product, High Quality Citric acid CAS 77-92-9 With Low Price, is a widely - used organic compound. The CAS number 77 - 92 - 9 is a unique identifier for citric acid in the chemical industry. Citric acid exists in an anhydrous form and a monohydrate form. It is a white, crystalline powder or granular substance with a pleasant, slightly acidic taste.
Regarding its purity, our high - quality citric acid typically has a purity level of over 99%. The melting point of anhydrous citric acid is around 153°C, and the monohydrate form loses its water of crystallization at about 70 - 75°C. It has a density of approximately 1.665 g/cm³. It is highly soluble in water, freely soluble in ethanol, and sparingly soluble in ether.
Food and Beverage Industry: Citric acid is one of the most commonly used acidulants in the food and beverage industry. It is used to adjust the acidity, enhance the flavor, and act as a preservative in many products. It can be found in soft drinks, jams, jellies, candies, and dairy products. For example, in soft drinks, it provides a tart flavor and helps to balance the sweetness.
Pharmaceutical Industry: In pharmaceuticals, citric acid is used as an excipient. It can be used to adjust the pH of solutions, improve the stability of drugs, and enhance the solubility of certain active ingredients.
Cleaning and Detergent Industry: Citric acid is an excellent chelating agent. It can bind to metal ions, preventing them from interfering with the cleaning process. It is used in household cleaners, laundry detergents, and dishwasher detergents to remove limescale and rust stains.
Personal Care Industry: It is used in skincare and haircare products. In skincare, it can be used to adjust the pH of products, making them more compatible with the skin's natural pH. In haircare, it can help to remove mineral deposits from hair.
For food and beverage applications, the usage amount varies depending on the specific product. Generally, in soft drinks, the amount of citric acid used is around 0.1 - 0.3%. When using it in home - made jams or jellies, you can add 1 - 2 grams per 500 grams of fruit. Always dissolve citric acid in a small amount of water before adding it to the food or beverage to ensure even distribution.
In the pharmaceutical field, it should be used according to the formulation requirements. Usually, it is added during the manufacturing process in a controlled environment to ensure the quality and stability of the drugs.
For cleaning purposes, you can make a cleaning solution by dissolving citric acid in warm water. For removing limescale from a kettle, fill the kettle with a solution of 2 - 3 tablespoons of citric acid in water and let it soak for 30 minutes to an hour before rinsing.
In personal care products, it is often added in small amounts (usually less than 5%) during the formulation process under appropriate temperature and mixing conditions.
Case 1: Homemade Lemonade
A family wanted to make fresh - tasting lemonade. They used 5 grams of our citric acid in 1 liter of water, along with some sugar and lemon juice. The citric acid not only enhanced the tartness but also extended the shelf - life of the lemonade. The family enjoyed the great - tasting lemonade for several days.
Case 2: Industrial Cleaning
A factory with a large - scale boiler had serious limescale problems. They used a solution of 10% citric acid to clean the boiler. After a 2 - hour soaking period and a thorough rinse, the limescale was effectively removed, and the boiler's efficiency was significantly improved.
Case 3: Skincare Product Formulation
A cosmetics company was developing a new facial toner. They added 2% citric acid to adjust the pH of the toner to match the skin's natural pH. The resulting toner was well - received by consumers for its gentle and refreshing properties.
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