What Is Ca(C2H3O2)2?

Ca(C2H3O2)2 is the chemical formula for the ionic compound calcium acetate. Calcium acetate is used as a medication for the treatment of end-stage renal disease. It is also used as a food additive in some candies, as a buffering agent and to neutralize fluoride in water.

Calcium acetate is a white solid at room temperature and has a molecular weight of 158 grams per mole. It is produced by soaking calcium carbonate in an acetic solution, such as vinegar.

In cases of end-stage renal disease, phosphate levels in the body are elevated due to the functionally impaired nature of the kidneys. High levels of phosphate can cause bones to become extremely brittle and increase the risk of fractures during everyday activities. Calcium acetate manages this condition by preventing the absorption of phosphates from the diet. This compound is one of several medications that can be used to bind excess phosphate and promote its excretion from the body.

Due to risks associated with taking it, calcium acetate is only available to patients who have a doctor's prescription. It is available in capsule, solution and tablet forms. The prescription medication Sevelamer is another phosphate binder. Both medications can cause nausea and should be taken with meals.