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Hongyang Chemical

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Sodium acetate,trihydrate

Product Name Sodium acetate,trihydrate
CAS NO. 6131-90-4
Molecular formula NaC2H3O23H2O
Description Sodium acetate trihydrate is supplied as crystals and is easily soluble in water.
Grades Sodium acetate trihydrate is available in FCC,Technical or pharmaceutical grades.
Grade U.S.P F.C.C Technical
Sodium Acetate (on the anhydrous basis) 99.0%-101.0% 99.0%-101.0% 99.0%-101.0%
pH at 20℃ in 5% aqueous sol. 7.5-9.0 7.5-9.0 7.5-9.0
Water(loss on drying,120℃,240min)%≤ 38-41% 36-41% 36-41%
Insoluble Matter%≤ 0.05 ? 0.05
Heavy metals(as Pb) %≤ 0.001 0.001 ?
Alikalinity(as Na2CO3)% ≤ ? 0.05 ?
Arsenic(As)% ≤ ? 0.0003 ?
Chloride(Cl) %≤ 0.035 ? 0.5
Sulfate(SO4) %≤ 0.005 ? 0.1
Iron(Fe)% ≤ ? ? 0.001
Both grades conform to: U.S.Food Chemicals Codex5 / The criteria of purity of the EC(specified for E262). On request: USP 27.
Packing Sodium acetate trihydrate is supplied in woven 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 Sodium acetate trihydrate 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 hydrometailurgy. Detailed information on the use of sodium acetate for this application can be supplied on request.
Physical properties
Molecular weight   136.08
Flash point℃   >250
Solubility in water: at 20℃ g/100ml 119.0
Solubility in water: at 100℃ g/100ml 170.2


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