Original
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Molecular weight：176.18
CAS NO:5743-26-0
【Appearance】White acicular crystal or powder. Slight acetic acid smell. Relative density is 1.50. It is soluble in water and slightly soluble in alcohol.
【Usage】It can be used as chemical reagent, mildew-retarding agent, stabilizing agent, etc. It can also be used in pharmaceutical industry.
【Standard】Highest impurity content is counted by %
|
Specification Index name |
Analytically pure-AR |
Chemical pure-CP |
Pharmaceutical grade |
|
Content[(CH3COO)2Ca·H2O] /% |
≥98.0 |
≥98.0 |
99.0~100.5 |
|
PH value(50g/L,25℃) |
6.5~9.0 |
6.5~9.0 |
6.3~9.6 |
|
Water insoluble/% |
≤0.005 |
≤0.01 |
－ |
|
Acidity( counted by acetic acid ) /% |
≤0.2 |
≤0.3 |
－ |
|
Fluoride（F） |
— |
— |
≤0.005 |
|
Chloride(Cl) /% |
≤0.003 |
≤0.005 |
≤0.05 |
|
Sulfate(SO4) /% |
≤0.005 |
≤0.01 |
≤0.05 |
|
Ferrum(Fe) /% |
≤0.001 |
≤0.002 |
－ |
|
Magnesium(Mg) /% |
≤0.002 |
≤0.003 |
－ |
|
Heavy metal( counted by Pb) /% |
≤0.001 |
≤0.002 |
≤0.003 |
|
Potassium perman-ganate |
Qualified |
Qualified |
— |
|
Nitrate(NO4) /% |
－ |
－ |
Qualified |
|
Moisture/% |
－ |
－ |
≤7 |
|
Arsenic(As) /% |
－ |
－ |
≤0.0003 |
【Packing】Woven bag lining with plastic bag, kraft bag or fiber can. Net weight is 25kg or 20kg
