Product
Zinc Stearate Pharmaceutical Grade
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DESCRIPTION
Product name: Zinc Stearate
Other names: Stearate Zinc
Cas No.: 557-05-1
Chemical formula: 2(C18H35O2).Zn
Characters: Zinc Stearate is white soft powder, delicate, lubricity, no sand sense. It is insoluble in water, ethanol or ether.
SPECIFICATION
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Items |
Specification |
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Standard |
USP |
BP |
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Arsenic, mg/kg |
≤ 1.5 |
/ |
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Lead, % |
/ |
≤ 25 |
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Cadmium, % |
/ |
≤ 5.0 |
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Heavy metals, ppm |
≤ 10 |
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Sulfate, % |
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≤ 0.6 |
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Chloride, ppm |
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≤ 250 |
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Alkali and alkaline earths, % |
≤ 1.0 |
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Organic volatile impurities |
Meet the requirements |
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Residual solvents |
Meet the requirements |
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Assay ZnO, % |
12.5-14 |
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Assay Zn, % |
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10.0-12.0 |
APPLICATION
Zinc Stearate can be widely used in the pharmaceutical field,its hydrophobic properties can effectively prevent the tablets from moisture. In cosmetics, zinc stearate is a lubricant and thickening agent used to improve texture.
STORAGE
Storage: Store in closed package and avoid from moisture and strong sun light.
PACKAGE
Zinc Stearate package can be customized according to customers’ requirements. If no special instruction, it is packed in 20kg PE bag.
SHELF LIFE
3 years from the date of manufacturing.
