Calcium Chloride Dihydrate

                              CaCl22H2

Formula Wt.: 147.01

Cas number                :-   10035-04-8

Composition               :-   CaCl2 - 75.49%

                               H2O - 24.51%

                               Ca - 27.26%

                               Cl - 48.23%

Description               :-   White Hygroscopic crystalline powder.

Solubility                :-   In water  97 gm in 100 ml at 0oc.  

                               326 gm in 100 ml at 60oc 

                               Soluble in ethanol

Requirements              :-   Assay >= 99% to 105% CaCl22H4O

 pH of 5% solution 4.5 - 8.5 at 25oc

Maximum Limits of Impurities:- 

Insoluble matter 0.003% 

Oxidizing Substances(asNO3) 0.003% 

Sulfate(SO4) 0.005% 

Ammonium(NH4) 0.005% 

Barium(Ba) 0.005% 

Heavy metals(Pb) 0.005% 

Iron(Fe) 5ppm 

Magnesium(Mg) 0.005% 

Potassium(K) 0.01% 

Sodium(Na) 0.01% 

Strontium(Sr) 0.1% 

Copper(Cu) 0.0005% 

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