1、Chemical Name: Zinc Citrate
2、Molecular Formula: Zn₃(C₆H₅O₇)₂; Zn₃(C₆H₅O₇)₂·2H₂O; Zn₃(C₆H₅O₇)₂·3H₂O
3、Molecular Weight: Anhydrous:574.34; Dihydrate:610.37; Trihydrate:628.38
4、CAS: Anhydrous:546-46-3; Dihydrate:5990-32-9
5、Character: It is white powder, odorless and tasteless, slightly soluble in water, with weathering. It is soluble in dilute mineral acid and alkali.
6、Usage: It can be used as nutrition fortifier, zinc fortifier, and can be used in food, health care products and medical treatment. Zinc citrate is suitable for the manufacture of tablet nutritional supplements and powdery mixed food as an organic zinc supplement. Because of its chelating function, it can increase the clarity of fruit juice drinks and the crisp acidity of fruit juice, so it is widely used in fruit juice drinks. Meanwhile it can also be used in cereals and their products and salt.
7、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 25kg.
8、Storage & Transportation: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| Specification |
GB 1903.49-2020 Anhydrous,Dihydra |
GB 1903.49-2020
Trihydrate |
USP-NF2021 |
| Content(Zn₃(C₆H₅O₇)₂·3H₂O), w/%≥ |
— |
99.0-103.0 |
— |
| Content Zn (On dry basis), w/%≥ |
31.3 |
— |
31.3 |
| Solubility(25℃/100ml) |
— |
3.60 |
— |
| Hydrochloric acid insoluble, w/%≤ |
— |
0.1 |
— |
| Loss on drying, w/%≤ |
1.0 |
1.0(Anhydrous) |
|
| Chloride (Cl), w/%≤ |
0.05 |
0.05 |
|
| Sulfates (SO₄), w/%≤ |
0.05 |
0.05 |
|
| Solution clarity |
— |
合格 |
— |
| Iron(Fe), mg/kg≤ |
50.0 |
— |
|
| Lead (Pb), mg/kg≤ |
5.0 |
10.0 |
|
| Arsenic (As), mg/kg≤ |
2.0 |
3.0 |
|
| Cadmium (Cd), mg/kg≤ |
5.0 |
5.0 |
|
