|
Molecular formula: CaCl2·2H2O
Molecular weight: 147.014
CAS NO: 10035-04-8
Properties: white flake, particle, lump or powder. Relative density is 1.85. Easily soluble in water and ethyl alcohol.
Uses: as analytical reagent, industrial refrigerant, motor vehicle antifreeze fluid, snow-dissolved agent, fire extinguishing agent and adhesive.
Standard: maximum assay of impurities is in %
| Specification/item |
Analytically pure-AR
|
Chemically pure-CP
|
High pure
|
Food grade
|
|
Assay(CaCl2)
|
≥74
(CaCl2)
|
≥74
(CaCl2)
|
97.0~103.0
(CaCl2·2H2O)
|
99.0~105
(CaCl2·2H2O)
|
|
Alkalinity (calculated as CaCOH)
|
≤0.02
|
≤0.04
|
－
|
－
|
|
Iron (Fe)
|
≤0.001
|
≤0.002
|
－
|
≤0.002
|
|
Magnesium and alkali metal(as sulfate)
|
≤0.3
|
≤0.6
|
－
|
4
|
|
Insoluble matter and ammonia precipitate
|
≤0.015
|
≤0.03
|
－
|
≤0.1
|
|
Sulfate (CaSO4)
|
－
|
－
|
≤0.02
|
－
|
|
Arsenic (As)
|
－
|
－
|
≤0.000 2
|
≤0.000 3
|
|
Heavy metal (Pb)
|
－
|
－
|
≤0.001
|
≤0.002
|
|
Fluoride (F)
|
－
|
－
|
－
|
≤0.004
|
|
Lead (Pb)
|
－
|
－
|
－
|
≤0.001
|
Packing: woven bag lined with plastic bag, kraft paper bag, or fiber drum, net weight is 25kg.
|
