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Molecular Formula:
C12H22O14Zn
Molecular Weight:
455.68 Anhydrous 491.71 Dihydrate CAS No.: 4468-02-4 Dihydrate
Characters:
Occurs as a white or nearly white, granular or crystalline powder and as a mixture of various states of hydration, up to the trihydrate, depending on the method of isolation. It is freely soluble in water and very slightly soluble in alcohol.
Product specification:
USP/FCC/GBgrade
| Items |
FCC（Ⅳ） |
GB8820-1988 |
USP29 |
| Specification |
Specification |
Specification |
| Assay（dry） |
97.0~102.0% |
97.0~102.0% |
97.0~102.0% |
| Cadmium |
≤5ppm |
≤5ppm |
≤5ppm |
| Chloride |
≤0.05%. |
≤0.05%. |
≤0.05%. |
| Lead |
≤0.001% |
≤0.001% |
≤0.001% |
| Reducing Substances |
≤1.0% |
≤1.0% |
≤1.0% |
| Sulfate |
≤0.05% |
≤0.05% |
≤0.05% |
| Water |
≤11.6% |
≤11.6% |
≤11.6% |
| PH |
---- |
5.5-7.5 |
5.5-7.5 |
| Arsenic |
---- |
≤3ppm |
≤3ppm |
| Residual solvents |
---- |
---- |
Meet the requirements |
| Organicvolatileimpurities |
---- |
---- |
Meet the requirements |
Packaging and storage:
Preserve in well-closed container, store in cool, dry place.25 kg / paper plastic
complex bag ，or according to order。
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