| CAS No.: | 5785-44-4 |
|---|---|
| Formula: | Ca3(C6h5o7)2·4H2O |
| EINECS: | 212-391-7 |
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3. Molecular Weight: 570.50
4.Character: It's white powder, slightly soluble in water, and soluble in ethanol.
5.Usage:It can be used as chelating agent, buffer, curing agent,especially calcium fortifier.
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 25kg.
7.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.
8. Quality Standard:
| Index name | GB 17203-1998 | FCC |
| Assay[Ca3(C6H5O7)2]% | 98.0-100.5 | 97.5-100.5 |
| Heavy metals (as Pb) ≤% | 0.002 | - |
| As ≤% | 0.0003 | - |
| Loss on drying % | 10-13.3 | 10.0-14.0 |
| Fluoride ≤% | 0.003 | 0.003 |
| Pb (pb)% | 0.0005 | 0.0002 |
| Hydrochloric acid insolubles≤% | 0.2 | - |
| Clarity of Solution | qualified | - |
| Specification | GB1903.14-2016 | FCC VII |
| Content (On dry basis),w/% | 97.5-100.5 | 97.5-100.5 |
| Lead (Pb),mg/kg ≤ | 2.0 | 2.0 |
| Arsenic (As),mg/kg ≤ | 3.0 | ---- |
| Fluoride,mg/kg ≤ | 30.0 | 30.0 |
| Loss on drying(150ºC,4h),w/% ≤ | 10.0-14.0 | 10.0-14 |
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