Product Short Description: BARIUM CHLORIDE (DEHYDRATED) LR Product Description: Barium Chloride Dihydrate is used in waste water treatment, the production of PVC stabilizers, oil lubricants, barium chromate and barium fluoride. As an inexpensive, soluble salt of barium, Barium Chloride finds wide application in the laboratory. It is commonly used as a test for sulfate ion. Barium Chloride Dihydrate is used in waste water treatment, the production of PVC stabilizers, oil lubricants, barium chromate and barium fluoride. As an inexpensive, soluble salt of barium, Barium Chloride finds wide application in the laboratory. It is commonly used as a test for sulfate ion.