1. Chemical Name : Calcium Citrate Tetrahydrate
2. Molecular Formula : Ca3(C6H5O7)2·4H2O
3. Molecular Weight : 570.50
4. CAS : 5785-44-4
5. Einecs : 212-391-7
6. Character : Calcium Citrate occurs as a fine, white powder, odorless, slightly hygroscopic. It is very slightly soluble in water, but insoluble in alcohol.
7. Usage : Sequestrant; buffer; firming agent.
8. 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.
9. Storage and Transport : It should be stored in a dry and ventilating warehouse, be cautious to keep away from moisture and hot, unloaded with care so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.
10. Parameters :
| Test item | EP | USP 39 | |
| Assay (on dry basis) | | ≥ 97.5 | ≥ 97.5-100.5 |
| Arsenic (As) | | ≤ 1 mg/kg | ≤ 3 mg/kg |
| Heavy metals (as Pb) | | --- | ≤ 20 mg/kg |
| Lead(Pb) | | ≤ 1 mg/kg | ≤ 10 mg/kg |
| Mercury(Hg) | | ≤ 1 | --- |
| Aluminium(Al) | | ≤ 200 mg/kg | --- |
| Fluoride (F) | | ≤ 0.003 % | ≤ 0.003 % |
| Acid-Insoluble Substances | | ≤ 0.2 % | ≤ 0.2 % |
| Loss on drying | | ≤ 14.0 % | ≤ 10.0-13.3 % |
| Carbonates |
| Correct | --- |