Colorless single inclined crystals, density of 1.454 g/cm (no water content density for 1.42 g/cm), soluble in water and ethanol, aqueous show neuter or weak acidity, 80 ℃ when crystallization water soluble. In humid air ChaoXie, the strong sulfuric acid dryers weathering, 100 ℃ when dehydration.
Item Reagent grade Pharmaceutical gradeAssay /% ≥99.0 ≥97.0
Water insoluble/% ≤0.005 ≤0.01
Chloride (Cl)/% ≤0.0005 ≤0.003
Sulfate (SO4)/% ≤0.005 ≤0.01
Phosphate (PO4)/% ≤0.001 ≤0.002
Calcium (Ca) /% ≤0.01 ≤0.04
Manganese (Mn) /% ≤0.001 ≤0.005
Ferric (Fe) /% ≤0.0002 ≤0.001
Barium (Ba) /% ≤0.003 ≤0.005
Heavy metal (Pb)/% ≤0.0005 ≤0.002
- Used for catalyst, feed additives and cosmetics and so on.
- Also used as an analytical reagent preparation sodium acetate, 5-dimethyl magnesium to determine material in the sodium content.
In 25kg plastic bags with inner plastic bags
Placed in sealed container and kept in a cool and dry place.
Avoid strong vibration, insolation, high temperature, smoke and fire.