Citric Acid Anhydrous 30-100mesh

Anhydrous citric acid, with the chemical formula C6H8O7, is a white crystalline powder, odorless and extremely sour in taste. It dissolves in water, ethanol and ether, but does not dissolve in benzene and chloroform. Anhydrous citric acid has a stronger hygroscopicity than other organic acids and is prone to moisture absorption and agglomeration in the air. As a multifunctional organic acid, anhydrous citric acid has excellent antioxidant properties, buffering capacity and complexation ability, and is widely used in various fields.

Products Description

CAS Number: 77-92-9Product Name: Citric Acid
Molecular Formula: C6H8O7
Molecular Weight: 192.12

Items	Specifications	Analysis results
Appearance	Colorless or white crystals or powder, odorless and tastes sour.	Meet the requirement.
Content (%)	99.5-100.5	99.8
Light Transmittance (%)	≧96.0	99.9
Moisture (%)	≦0.5	0.1
Readily Carbonisablle Substance	≦1.0	0.1
Sulphated Ash (%)	≦0.05	﹤0.05
Chloride (%)	≦0.005	﹤0.005
Sulphate (%)	≦0.01	﹤0.01
Oxalate (%)	≦0.01	﹤0.01
Calcium (%)	≦0.02	﹤0.02
Iron (mg/kg)	≦5	﹤5
Arsenic (mg/kg)	≦1	﹤1
Lead (mg/kg)	≦0.5	﹤0.5
Water Insoluble Substances	Filtration time not more than 1 min; Filter membrane basically doesn't change color; Visual mottled particles not more than 3.	Meet the requirement.

Products Application

Anhydrous citric acid has strong antioxidant properties, which can eliminate free radicals and protect cells from oxidative damage. In the food industry, anhydrous citric acid is often used as an antioxidant, helping to extend the shelf life of food. At the same time, it can also undergo complexation reactions with metal ions, reducing the catalytic oxidation effect of metal ions on food, thereby further enhancing the antioxidant performance of food.

Food Industry: In the food industry, anhydrous citric acid is mainly used as an acidulant, antioxidant, and buffer. It can regulate the taste and pH value of food, improve the quality and stability of food. At the same time, anhydrous citric acid can also undergo complexation reactions with metal ions in food, reducing the catalytic oxidation effect of metal ions on food, and extending the shelf life of food.

Pharmaceutical Industry: In the pharmaceutical field, anhydrous citric acid is mainly used as an auxiliary material and buffer for drug preparations. It can regulate the pH value of drugs, improve the stability and bioavailability of drugs. In addition, anhydrous citric acid also has anti-inflammatory, antioxidant, and other effects, which help to improve disease symptoms and promote recovery.

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