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| Zinc Citrate | |
| Chemical Name | Zinc Citrate |
| Molecular Formula | Zn3(C6H5O7)2·2H2O |
| Molecular Weight | 610.14 |
| Features | white powder, odorless with little hygroscopicity,insoluble in water, almost insoluble in ethanol. |
| Quality standard | USP-24 |
| Use | Toothpaste additive with the functions of removing halitosis,teeth stain and antiinflammation. |
| Packing | In plastic woven bag lined with PE bag. net wt. per bag 25kg. |
| Storage & Transport | Should be stored in dry and draughty warehouse, protect against dampness, heating and toxic substances, handle with care, protect against damage to packing. |
1.Chemical name : Zinc citrate Dihydrate, trihydrate
2.Cas No.: 546-46-3
3.Molecular formula: Zn3(C6H5O7)2.2H2O. Zn3(C6H5O7)2.3H2O.
4.Character:It is fine powder, granular
5.Usage:Zinc Citrate can be used as a dietary supplemnet and as a nutrient. This product known to be used in oral care products. Zinc is an important antioxidant nutrient. It is necessary for protein synthesis. Wound healing, for blood stability, normal tissue function, and aids in the digestion and metabolism of phosphorus. It also govens the contractility of muscles and maintains the body's alkaline balance.
6.Packing: It is packed with polyethylene bag as inner layer and a compound plastic woven bag as outer layer. The net weight of each bag is 25kgs.
7.Storage: It should be stored in a dry and ventilative warehouse. Kept away from Heat and moisture. Unloaded with care so as to avaid damage. Furthermore it should be stored separately from poisonous substance.
8.Specification:
| Zinc citrate dihydrate | Zinc citrate Trihydrate | |
| Identification | ||
| Test A | Positive | Positive |
| Test B | Positive | Positive |
| Assy of dried product(as Zn) | 31.3-32.5% | 30.9-31.5% |
| Arsenic (as As) | 3ppm max | 3ppm max |
| Cadmium(Cd) | 5ppm max | 5ppm max |
| Lead( as Pb) | 5ppm max | 10ppm max |
| LOD@105°C | 1.0%max | 1.0%max |
| Sulfate(as SO4) | 0.05% max | 0.05% max |
| Chloride( as Cl) | 0.05% max | 0.05% max |
| Lead | 5ppm max | -- |
| Zinc content | --- | --- |
| Anhydrous basis | 33.3% min | 33.3% min |
| As Is | 31.0%min | 31.0% min |
| Mercury | 0.1ppm max | --- |
| Ph 3% suspension | -- | 5.0-7.0 |
| ROI @500°C | -- | 38.4-39.2% |
| Bulk density | as per customer require | |
| Particle size | as per customer require | |
| Total plate count | NMT1000cfu/g | |
| Total molds and yeasts | NMT300cfu/g | |
| Total coliform count | NMT 10cfu/g | |
| E. Coli | Negative | |
| Salmonella | Negative | |
| Staphylococcus Aureus | Negative |
| Specifications | Item | USP-24 |
| Assay≥ % | 96 | |
| Zn≥% | 31-34 | |
| Drying loss ,≤% | 3 | |
| As,≤% | 0.0003 | |
| Lead,≤% | 0.001 | |
| Cadmium≤% | 0.0005 | |
| PH | 6.0-7.0 |
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