Citric Acid Anhydrous(CAA)

Parameters:

Items	Standard
Assay	99.5%-100.5%
Moisture	0.5% Max
Oxalic Acid	100 ppm Max
Sulphate	150 ppm Max
Residue on Ignition (sulphated ash)	0.05% Max
Heavy Metals	10 ppm Max
Mercury	1 ppm Max
Lead	0.5 ppm Max
Arsenic	1 ppm Max
Aluminium	0.2 ppm Max
Bacterial Endotoxins	0.5 IU/mg Max
Trilaurylamine	0.1 ppm Max
Calcium	200 ppm Max
Iron	50 ppm Max
Chloride	50 ppm Max

Application:

1. Food and Beverage Industry

Citric acid anhydrous is used as an acidulant in food and beverages to adjust pH, enhance flavor, extend shelf life, and as an auxiliary ingredient in fermentation to ensure product stability and flavor.

2. Pharmaceutical Industry

In the pharmaceutical industry, citric acid anhydrous is used as an acid-base regulator and buffer to adjust the pH of drugs and improve drug stability and bioavailability.

3. Cosmetics and Personal Care Products

Citric acid anhydrous is used in cosmetics to adjust pH, ensure product compatibility with the skin, and help stabilize active ingredients in products.

4. Cleaning Industry

As an ingredient in detergents, citric acid anhydrous can effectively remove scale, mineral deposits and other dirt, and is often used to clean food processing equipment and kitchen facilities.

5. Agriculture and Horticulture

In agriculture and horticulture, citric acid anhydrous is used to adjust soil pH and improve soil conditions, thereby promoting healthy plant growth.

6. Industrial Applications

In the industrial field, citric acid anhydrous is used as a catalyst or auxiliary agent for chemical reactions, supporting various chemical reaction processes and improving production efficiency.

Preparation Method:

1. Citric acid anhydrous is usually prepared by fermentation. This process uses microorganisms such as Aspergillus niger to ferment in sugar substances (such as molasses or corn syrup), and obtains high-purity citric acid through fermentation, filtration, concentration and crystallization.

This method is economical and environmentally friendly and suitable for food-grade applications.

2. Chemical synthesis method prepares citric acid through chemical reactions (such as esterification of citric acid). This method is mainly used in industrial production, with high cost and poor environmental friendliness, so it is not as common as fermentation in food-grade applications.

Development Trend:

The development trend of citric acid anhydrous includes the transition to more environmentally friendly and economical production processes, such as improved fermentation technology and optimized liquid fermentation methods. These technologies not only improve production efficiency and product purity, but also help reduce environmental impact.

In addition, as consumers’ demand for natural and healthy foods increases, manufacturers are also exploring safer production methods that meet food-grade standards.

Safety:

This product is safe for the intended use. Avoid inhalation of dust, contact with eyes and prolonged contact with skin by applying suitable protective measures and personal hygiene. For full safety information and necessary precaution, please refer to the respective Material Safety Data Sheet.

Legal Notice:

The information given in this publication is based on our current knowledge and experience, and may be used at your discretion and risk. It does not relieve you from carrying out your own precautions and tests. We do not assume any liability in connection with your product or its use. You must comply with all applicable laws and regulations, and observe all third-party rights.