Calcium chloride dihydrate
Molecular formula: CaCl2-2H2O Molecular weight: 147.01
Properties: white crystalline particles or lumps, bitter and astringent, strong deliquescence. density 1.835, soluble in water, soluble in alcohol, insoluble in ether. Density 1.835, soluble in water, soluble in alcohol, insoluble in ether, its aqueous solution is neutral or slightly alkaline. The aqueous solution is neutral or slightly alkaline. It becomes anhydrous when heated to 260℃.
Parameters
Specification index name |
Chemical reagent Refined |
Chemical reagent |
Refined |
Content/%content |
≥74 (以CaCl2·2H2O计) |
97.0-103.0 (以CaCl2计) |
based on according to customer customer requirements request customised Customised |
PH value PH value |
—— |
6.0-9.2 |
|
Sulfate (SO4)/%sulfate |
≤0.020 |
≤0.02 |
|
Heavy metal(as Pb)/%heavy metal |
≤0.001 |
≤0.001 |
|
Magnesium and alkali metals |
≤0.3 |
Comply with requirements |
|
Arsenic (As)/%arsenic |
≤0.0002 |
≤0.0002 |
|
Water insoluble and ammonia precipitates |
≤0.015 |
—— |
|
Aluminum, iron and phosphate |
—— |
Comply with requirements |
|
iron |
≤0.001 |
—— |
|
Clarity test |
The solution is clear and transparent |
Solution is clear and transparent |
|
fluorine |
—— |
≤0.004 |
Uses: It can be used as chemical analysis reagent, pharmaceutical raw materials, food additives and raw materials for manufacturing calcium metal.
Packing: Woven bag lined with plastic bag, 25kg/bag.