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。