Calcium gluconate is an organic calcium salt with a chemical formula of C12H22O14Ca. Its appearance is white crystalline or granular powder. It has a melting point of 201°C (decomposition), odorless, tasteless, soluble in boiling water (20g/100mL), slightly soluble in cold water (3g/100mL, 20℃), insoluble in organic solvents such as ethanol or ether.
Calcium Lactate Gluconate, also known as calcium lacto gluconate (CLG), is a product used for calcium fortification in food and beverages. CLG is a mixture of the commonly used calcium sources calcium lactate and calcium gluconate.



Product Name | calcium gluconate |
Appearance | White crystalline powder |
purity | 99% |
Grade | Food Grade |
CAS | 299-28-5 |
Test Methods | HPLC |
MOQ | 1KG |
Package | 1Kg/Foil bag,25Kg/Drum |
Delivery Time | 3-5 Working Days |
Shelf Time | 2 year |
ITEMS | SPECIFICATIONS | RESULTS |
Appearance | White crystalline powder | Conform |
Identification | Meets the requirements | Conform |
Solubility | Freely soluble in boiling | Conform |
Loss on drying | ≤ 1.0 % | 0.50% |
Oxalate | ≤ 100 ppm | < 50 ppm |
Chloride | ≤ 50 ppm | < 50 ppm |
Sulphates | ≤ 50 ppm | < 50 ppm |
Arsenic | ≤ 3 ppm | < 2 ppm |
Iron | ≤ 5 ppm | < 5 ppm |
Phosphates | ≤ 100 ppm | < 100 ppm |
Magnesium and alkali metals | ≤ 0.4 % | 0.30% |
Sucrose and regenerative sugar | Meets the requirements | Conform |
Bacterial endotoxins | ≤167 I.U./g | <150 I.U./g |
Microbial contamination | ≤100CFU/g | 30CFU/g |
Assay | 99.0~101.0 % | 99.56% |
Function of calcium lactate gluconate
The characteristics of high solubility and neutral taste allow for applications in a wide range of products. It has the highest solubility of all commonly used calcium salts, which is the main functional advantage of this product. It also provides a neutral taste, even at high concentrations. This is especially important for food applications, where high calcium levels must be obtained without negative influence on taste properties of the fortified product.
Application of calcium lactate gluconate
With a taste of less sour, it is a great source of a high dose of Calcium up to 13.5% and is used very often as a food and drink additive for this reason.Calcium gluconate can be used as buffers; curing agents; chelating agents; nutritional supplement

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