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Why Can CaCl2 Be Used As Calcium Chloride Desiccant?

Jan. 15, 2019

Calcium chloride (CaCl2) is a white powder, granule, flake, or block. Due to its certain characteristics of calcium ions, it can be combined with some water to form crystal water CaCl2·nH2O, n=1,2,4,6 Calcium chloride (CaCl2) has a high solubility in water. 100 °g of water can dissolve 59.5 g of calcium chloride at 0 ° C, and 100 g of water can dissolve 159 g of calcium chloride at 100 ° C. It can form hydrates containing 1, 2, 4, and 6 crystal waters, and their temperature ranges are: CaCl2•6H2O is lower than 29°C; CaCl2•4H2O, 29-45°C; CaCl2•2H2O, 45-175°C; CaCl2•H2O, above 200 °C. The great solubility of calcium chloride determines its ability to absorb moisture (drying) in a solid state and is not easily reacted with other substances, so CaCl2 can be used as a Calcium Chloride Desiccant.

Calcium Chloride Moisture Absorber Application: Suitable for drying of hydrocarbons, olefins, acetone, ethers and neutral gases.

Calcium Chloride Powder Desiccant can not be dried: it forms complex with alcohol, phenol, amine, amide and some aldehydes and ketones, so it can not be used to dry these compounds. Its industrial products may contain alkaline substances, so it cannot be used. To dry the acid.

Calcium Chloride Desiccant

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