Sodium Acetate,Trihydrate(White Granule)
SODIUM ACETATE,TRIHYDRATE
NaC2H3O23H20
Sodium acetate trihydrate is a kind of as crystals and is easily soluble in water.
Grades
Sodium acetate trihydrate is available in FCC,USP and ACS grades.
Specification
Grade | Technical | Food | E262(i) | U.S.P | A.C.S |
Assay% ≥ | 58.0-60.0 | 98.5 | 98.5 | 99.0-101.0 | 99.0-101.0 |
pH ( 50g / L aqueous sol. ) | 7.5-9.0 | 7.5-9.0 | 8.0-9.5 | 7.5-9.0 | 7.5-9.0 |
Insoluble Matter, w%≤ | 0.2 | 0.05 | 0.002 | ||
Water, w% (loss on drying) | 36.0-42.0 | 36.0-42.0 | 38.0-41.0 | ||
Chloride (Cl), w%≤ | 1.0 | 0.035 | 0.001 | ||
Sulfate (SO4), w%≤ | 0.05 | 0.005 | 0.005 | ||
Phosphate (PO4), w%≤ | 0.0002 | ||||
Aluminium (Al), w%≤ | 0.0002 | 0.0005 | |||
Calcium (Ca), w%≤ | 0.002 | ||||
Iron (Fe), w%≤ | 0.001 | 0.0002 | |||
Copper (Cu), w%≤ | 0.0005 | ||||
Heavy metals (as Pb), w%≤ | 0.001 | ||||
Lead (Pb), w%≤ | 0.0002 | 0.0005 | |||
Formic acid, w%≤ | 0.1 |
Both grades conform to: U.S. Food Chemicals Codex5 / The criteria of purity of the EC (specified for E262).
On request:USP 27.
Methods of analysis
Details of test methods can be supplied on request.
Packing
Sodium acetate trihydrate is packaged in woven bags.
Storage and handling
The product should be stored in its original packing 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. Touch the package with water or any other liquid directly will cause the product to cake, should not be stacked in pallets. Under normal conditions, the use of this product does not cause any undue health hazard. Precautions must be taken to prevent solid or liquid product to contact with skin or eyes.
First aid measures
Eye contact: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Skin contact: Wash with water.Remove contaminated clothing, which should be washed before re-use.
Ingestion: Rinse the mouth with water. Obtain medical attention.
Fire hazard
Sodium acetate trihydrate presents little fire hazard.
Application
Sodium acetate trihydrat 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.
Properties
Physical properties
Molecular mass 136.08
Flash point ℃ >250
Solubility in water: at 20℃ g/100ml 119.0
Solubility in water: at 100℃ g/100ml 170.2
Physiological properties
The solid or solution contact with eyes may cause irritability and inflammation. Prolonged or repeated skin contact may cause slight pain. A large number of take in can cause the nose, throat and upper respiratory tract infection.