Zinc Citrate Dihydrate
[CAS NO.]: 5990-32-9
[SYNONYMS]: Citric acid, zinc salt; 2-hydroxy-1,2,3-Propanetricarboxylic acid, zinc salt
[Structure ]:
[Molecule Formula]: Zn3(C6H5O7)2.2H2O
[Molecular Weight]: 610.37
[Physical Properties]: White crystal or crystalline powder,slightly soluble in water.
[Specifications]:
|
Items |
StandardⅠ |
StandardⅡ |
CP2005 |
|
Content〔by Zn(C6H5O7)2·H2O〕,% |
≥97.5 |
≥96.0 |
≥98.5 |
|
Heavy Metals(Pb),% |
≤0.001 |
≤0.002 |
≤0.001 |
|
As,% |
≤0.0003 |
≤0.0010 |
OK |
|
Chloride(Cl),% |
≤0.05 |
≤0.05 |
-- |
|
Sulfate(SO42-),% |
≤0.05 |
≤0.05 |
≤0.005 |
|
Loss on drying,% |
≤2.5 |
≤3.0 |
≤6.5(180℃) |
[Packaging]: 25Kg/drum
[Storage]: Preserved in a cool, dry place at room temperature
[Period of Validity] : Two years
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