Introduction Name:Calcium Chloride Dihydrate CAS No.:10035-04-8 Formula:CaCl2�·2H2O Assay:74%ï¼?77% Application Calcium Chloride is one of the primary components in the measurement of permanent water hardness (also known as non-carbonate hardness). Proper calcium levels in beer can lower pH,preserve mash enzymes,increase extract yield,improve yeast growth and flocculation,accelerate oxalate removal,and reduce color.The chloride ion is believed to promote a palate fullness,sweetness,or mellowness within the flavor profile of beer.