Product Overview
Citric Acid Anhydrous is a crystalline organic acid derived mainly from citrus fruits or through fermentation. It is widely used as an acidulant, preservative, and flavor enhancer in the food, beverage, pharmaceutical, and cosmetic industries. The anhydrous form contains minimal moisture, making it suitable for applications requiring a dry acid with high purity and stability.
Chemical and Physical Properties
-
Chemical Formula: C6H8O7
-
Molecular Weight: 192.12 g/mol
-
Appearance: White, granular or crystalline powder
-
Purity: Typically ≥ 99.5%
-
Solubility: Highly soluble in water
-
Taste: Tart and sour, characteristic citrus flavor
-
Melting Point: 153°C (decomposes)
Applications and Functional Benefits
Citric Acid Anhydrous is utilized for:
-
pH adjustment and acidification in beverages, dairy products, and canned foods
-
Preserving freshness and preventing microbial growth
-
Enhancing flavor and tartness in confectionery and snacks
-
Chelating agent in pharmaceuticals and cosmetics
-
Buffering agent in detergents and cleaning products
-
Acting as a natural antioxidant synergist
Its excellent solubility and strong acidic nature make it effective in various formulation types.
Quality Specifications
| Parameter | Specification | Typical Result |
|---|---|---|
| Appearance | White crystalline powder | Complies |
| Purity (Assay) | ≥ 99.5% | 99.7% |
| Moisture Content | ≤ 0.5% | 0.3% |
| pH (5% Solution) | 1.8 – 2.2 | 2.0 |
| Heavy Metals (Lead) | ≤ 5 ppm | < 2 ppm |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Solubility | Soluble in water | Complies |
Sensory Characteristics
-
Appearance: White, crystalline powder
-
Odor: Odorless
-
Taste: Strong, tart citrus flavor
Packaging and Storage
Citric Acid Anhydrous is usually packed in moisture-proof 25 kg bags. It should be stored in a cool, dry, and ventilated place, protected from moisture and contamination. Proper storage ensures a shelf life of up to 2 years.
Regulatory Status
Citric Acid Anhydrous is recognized as safe by FDA, EFSA, and JECFA. It is approved for use as a food additive and is widely accepted globally in food, pharmaceutical, and cosmetic applications.
Conclusion
Citric Acid Anhydrous is a highly effective acidulant with versatile applications in the food and pharmaceutical industries. Its purity, solubility, and flavor-enhancing properties make it an indispensable ingredient for improving product quality, taste, and shelf life.
Reviews
There are no reviews yet.