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Molecular formula: (CH3COO)2Ca·H2O
Molecular weight: 176.18
CAS NO:5743-26-0
Properties: white acicular crystal or powder with a little acetic odor. relative density is 1.50. It loses water of crystallization at 150℃ and breaks up into acetone and calcium carbonate at 160℃. Easily soluble in water, slightly soluble in ethyl alcohol.
Uses: as chemical reagent, analytical reagent or as mildew-retarding agent, stabilizer, buffer agent and flavor enhancer in food industry.
Standard: maximum assay of impurities is in %
Specifications/item |
Analytically pure-AR
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Chemically pure-CP
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Pharmaceutical grade
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Assay[(CH3COO)2Ca·H2O] /%
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≥98.0
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≥98.0
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99.0~100.5
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PH value (50g/L,25℃)
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6.5~9.0
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6.5~9.0
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6.3~9.6
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Water insoluble matter/%
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≤0.005
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≤0.01
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－
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Acidity (acetic acid) /%
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≤0.2
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≤0.3
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－
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Fluoride (F)
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—
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—
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≤0.005
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Chloride(Cl) /%
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≤0.003
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≤0.005
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≤0.05
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Sulfate(SO4) /%
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≤0.005
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≤0.01
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≤0.05
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Iron (Fe) /%
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≤0.001
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≤0.002
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－
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Magnesium (Mg) /%
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≤0.002
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≤0.003
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－
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Heavy metal (Pb) /%
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≤0.001
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≤0.002
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≤0.003
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Potassium permanganate-reducing material
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Qualified
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Qualified
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—
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Nitrate(NO3) /%
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－
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－
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Qualified
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Moisture/%
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－
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－
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≤7
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Arsenic (As) /%
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－
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－
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≤0.0003
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Packing: Woven bag lined with plastic bag, kraft bag, or fiber drum, net weight is 25kg or 20kg.
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