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Molecular formula: CaCl2
Molecular weight: 110.98
CAS NO:10043-52-4
Properties: white cubic crystal or powder. Relative density is 2.15, melting point is 775℃, boiling point is 1935.5℃. Easily soluble in water and ethyl alchohol.
Uses: chemical reagent, pharmaceutical raw material, food additive, dehydrant, sizing agent, and water purifier.
Standard: maximum assay of impurities is in %
| Specification/item |
Analytically pure-AR
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Chemically pure-CP
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High pure
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Food grade
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Assay(CaCl2) /%
|
≥98.0
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≥98.0
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≥98.0
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≥96.0
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Insoluble matter and ammonium hydroxide precipitate
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≤0.015
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≤0.03
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Qualified
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－
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Free alkali [Ca(OH)2]
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≤0.020
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≤0.04
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－
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－
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Phosphate (PO4)
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≤0.003
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≤0.003
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－
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－
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Sulfate (SO4)
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≤0.020
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≤0.02
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≤0.03
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|
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Nitrate (NO3)
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Qualified
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Qualified
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－
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－
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Barium (Ba)
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Qualified
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Qualified
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－
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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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≤0.001
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≤0.001
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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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≤0.002
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Zinc (Zn)
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≤0.01
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≤0.01
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－
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≤0.02
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Magnesium and alkali metal(as sulfate)
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≤0.30
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≤0.60
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≤0.8
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Arsenic (As)
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≤0.0003
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≤0.0003
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≤0.0003
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≤0.0003
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Lead (Pb)
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－
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－
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≤0.001
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－
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Packing: woven bag lined with plastic bag, kraft paper bag, or fiber drum, net weight is 25kg.
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