CAS · 5743-28-2
Product Overview
Calcium ascorbate dihydrate is a high-purity food-additives supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Grade | Food grade |
|---|---|
| Appearance | White or slightly yellowish, crystalline powder |
| Assay (C12H18CaO14) | 99.0%–100.5% |
| Identification | Positive Reaction |
| Specific Optical Rotation | +95°–+97° |
| pH (10% solution) | 6.8–7.4 |
| Clarity of Solution | Clear |
| Colour of Solution | BY6 max |
| Loss on drying | 0.1% max |
| Fluorides | 10.0 mg/kg max |
| Iron | 2.0 mg/kg max |
| Copper | 5.0 mg/kg max |
| Lead | 0.5 mg/kg max |
| Arsenic | 1.0 mg/kg max |
| Cadmium (Cd) | 0.5 mg/kg max |
| Mercury | 0.1 mg/kg max |
| Residual Solvents | 3000 mg/kg max |
| Aerobic Plate Count | 1000 cfu/g max |
| Moulds and Yeasts | 100 cfu/g max |
| Coliforms | 0.92 MPN/g |
| Salmonella | Negative per 25g |
| Staphylococcus aureus | Negative per 25g |
Applications
Calcium ascorbate dihydrate is widely used in the food, pharmaceutical, and nutraceutical industries due to its dual function as a source of vitamin C and calcium. In the food sector, it acts as a natural antioxidant, helping to maintain color, flavor, and nutrient stability in juices, beverages, dairy products, and fortified foods. It is frequently incorporated into powdered drink mixes, effervescent tablets, and functional foods to enhance nutritional value while preserving product quality during storage and processing. In pharmaceuticals, calcium ascorbate dihydrate is utilized in tablets, capsules, and effervescent formulations as a highly stable and soluble form of vitamin C, often combined with calcium to provide additional health benefits. Its antioxidant activity also makes it suitable for use in cosmetic formulations, where it contributes to collagen synthesis, skin health, and protection against oxidative stress. Furthermore, it is employed in animal nutrition and veterinary products to support growth, immune function, and overall well-being.
Benefits
Calcium ascorbate dihydrate provides multiple benefits for both health and formulation purposes. As a source of vitamin C, it supports immune system function, enhances collagen formation, aids wound healing, and acts as a potent antioxidant to neutralize free radicals in the body. The calcium component contributes to bone and dental health, muscle function, and proper enzymatic activity. Compared with pure ascorbic acid, calcium ascorbate dihydrate is less acidic, making it gentler on the gastrointestinal tract and more suitable for long-term supplementation. Its high water solubility and excellent bioavailability ensure efficient absorption, while its chemical stability reduces the risk of degradation during storage and processing. Additionally, it is compatible with a wide range of formulations, allowing incorporation into foods, beverages, supplements, and cosmetic products without negatively affecting taste, texture, or appearance. These combined benefits make it a highly versatile and practical ingredient for promoting health and product performance.
Conclusion
Calcium ascorbate dihydrate is a multifunctional compound that serves as an essential nutrient supplement and formulation enhancer. Its ability to provide both vitamin C and calcium supports immune health, collagen synthesis, antioxidant protection, and bone strength. With high stability, solubility, and compatibility in diverse applications, it ensures consistent delivery of nutritional benefits while maintaining product quality. Its versatility in food, pharmaceutical, nutraceutical, and cosmetic products makes calcium ascorbate dihydrate an indispensable ingredient for enhancing health, preventing nutrient deficiencies, and improving the performance of formulated products. Its combination of health-promoting properties and formulation flexibility ensures it remains a critical component in modern health and wellness solutions.
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