Zinc citrate
C12H10O14Zn3 * 2H2O
Product information
Zinc citrate
Zinc citrate is the zinc salt of citric acid. It is an organically bound form of the essential trace element zinc and typically appears as a white powder. Due to its structure, the compound is very well absorbed by the human body (high bioavailability), making it a popular zinc source for dietary supplements. Unlike inorganic zinc forms such as zinc oxide, zinc citrate is more efficiently integrated into the metabolism. This high bioavailability is attributed to the body recognizing and processing citrate (the anion of citric acid) well, as it is a naturally occurring substance in the body. Zinc citrate also has slightly alkaline (or basic) properties, which allows it to support the acid-base balance.
The primary application areas for zinc citrate lie in dietary supplementation and health maintenance, as zinc is involved in over 300 enzymatic processes. It is used to correct a zinc deficiency or to meet an increased requirement (e.g., in vegetarians, athletes, or during pregnancy).
The intake of zinc citrate supports:
The Immune System: It contributes to the normal function of immune defense.
Skin, Hair, and Nails: It is important for wound healing and the maintenance of normal skin, hair, and nails.
Cell Protection: It protects cells from oxidative stress.
Metabolic Functions: It is relevant for normal carbohydrate, protein, and fatty acid metabolism.
Furthermore, due to its antimicrobial properties, zinc citrate is also used in toothpastes, where it contributes to oral hygiene and the reduction of plaque.
25kg | BigBags
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Molecular Formula : C12H10O14Zn3 * 2H2O
Molecular Weight: 226.19
CAS: 3012-65-5
| Parameter | Food/Pharma Grade | Industrial Grade |
|---|---|---|
| Assay (Dry Basis) | ≥99.5% | ≥98.0% |
| Loss on Drying | ≤0.3% (105°C, 4hr) | ≤1.0% |
| pH (10% Solution) | 6.2 ± 0.3 | 5.8–6.8 |
| Ammonia (NH₃) | 8.8–9.2% | 8.5–9.5% |
| Heavy Metals (Pb) | ≤1 ppm | ≤5 ppm |
| Arsenic (As) | ≤0.5 ppm | ≤2 ppm |
| Citric Acid | ≤0.05% | ≤0.2% |
| Sulfate (SO₄) | ≤50 ppm | ≤200 ppm |
| Particle Size | D90 < 45μm (Laser Diffraction) | D90 < 100μm |