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Zinc acetate,dihydrate

Product Name Zinc acetate,dihydrate
CAS NO. 5970-45-6
Molecular formula (CH3COO)2Zn2H2O
Description zinc acetate Dihydrate is available as white crystals.
Grades Zinc acetate Dihydrate is available in pharmaceutical grade, Technical Pure grade and A.C.S.
Specification
Grade U.S.P Technical Pure A.C.S
Assay% 99.0%-101.0% 98.0%-102.0% 99.0%-102.0%
pH at 20℃ in 5% aqueous sol. 6.0-7.0 6.0-7.0 6.0-7.0
Insoluble Matter%≤ 0.005 0.005 0.005
Chloride(Cl) %≤ 0.005 0.01 0.0005
Sulfate(SO4) %≤ 0.01 ? 0.005
Iron(Fe) %≤ 0.0005 0.0005 0.0005
Lead(as Pb) %≤ 0.002 0.005 0.002
Organic Volatile Impurities ? To pass test ?
Arsenic(As) %≤ 0.0003 0.0003 0.00005
Calcium%≤ ? ? 0.005
Magnesium%≤ ? ? 0.05
Potassium%≤ ? ? 0.01
Both grades conform to U.S.P. 27 / On request: Technical Pure
Packing Zinc acetate Dihydrate is supplied in polyethylene lined paper bags.
Storage and handling The product should be stored and handled in its original packaging or in a suitable sealed container and kept in a clean and dry place. Storage conditions should preferably be a sheltered environment with limited temperature variations and low humidity levels. Direct contact of the package with water or any other liquid is likely to cause the product to cake. Pallets should not be stacked. Under normal conditions, the use of this product does not cause any undue health hazard. Precautions should be taken to prevent eye-and prolonged or repeated skin contact with the solid product or its solutions.
Application Zinc acetate Dihydrate is used in the pharmaceutical industry, as a buffer in the photographic industry and as a supplement for animal feeds to increase the milk fat production of dairy cattle. It is also used in the production of dye stuffs, as a polymerization catalyst, as a polymer stabilizer, as a flavouring agent, and in the manufacture of hydroxyl oximes, which are used as extractants in hydrometallurgy. Detailed information on the use of sodium acetate for this application can be, supplied on request.
Properties
Physical properties
Molecular weight   183.46
Flash point ℃   >250
Solubility in water: at 20℃ g/100ml 30.0

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