Calcium ascorbate dihydrate, CAS No. 5743-28-2

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5743-28-2

Catalog No. EBD5143

CAS 5743-28-2

Name Calcium ascorbate dihydrate

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Basic Information

Synonyms: CalciumAscorbate L-AscorbicacidCalciumsaltDihydrate 3-methyl-2-oxopentanoicacidcalciumsaltdihydrate 3-methyl-2-oxopentanoicacid,calciumsaltdihydrate Calciumascorbatedehydrate calciumbis{(5R)-5-[(1S)-1,2-dihydroxyethyl]-3-hydroxy-4-oxo-4,5-dihydrofuran-2-olate}dihydrate(non-preferredname) CalciumAscorbateDihydrate Ascorbicacidcalciumsaltdihydrate

Molecular Formula: C12H18CaO14

Molecular Weight: 426.34

MDL Number: MFCD00149216

Categories: Medicinal Chemistry > Biochemicals and Life Science Reagents > Vitamins and Coenzymes Functional Chemicals > Food Additives and Ingredients > Nutritional Fortificants Functional Chemicals > Food Additives and Ingredients > Antioxidants

Product Description:

Calcium ascorbate dihydrate is the calcium salt of ascorbic acid (vitamin C), with the chemical formula C12H14CaO12бд2H2O. It is a white to slightly yellow crystalline powder, highly soluble in water, and provides a neutral pH in solution, making it less acidic than pure ascorbic acid. Its primary application is as a nutritional supplement and food additive, serving as a source of both vitamin C and calcium. In the food industry, it is used as an antioxidant (E302) to prevent discoloration and preserve freshness in processed fruits, vegetables, and meats. In the pharmaceutical and nutraceutical sectors, it is formulated into tablets, powders, and beverages for vitamin C fortification, particularly for individuals requiring a non-acidic form of vitamin C or seeking additional calcium intake. It is also utilized as a functional excipient in some drug formulations to enhance stability or provide a buffering effect.

Physical Properties

Melting Point: 166 °C (dec.)(lit.)

Boiling Point: 415.8 °C at 760 mmHg

Flash Point: 300 °C

Solubility: soluble in water (20 °C)

Analytical Data

Appearance: white to slightly yellow crystalline