Calcium Acetate

Calcium Acetate

Calcium acetate occurs as a white or almost white, odorless or almost odorless, hygroscopic powder.

Calcium Acetate

Nonproprietary Names

  • BP: Calcium Acetate
  • PhEur: Calcium Acetate
  • USP: Calcium Acetate


Acetate of lime; acetic acid, calcium salt; brown acetate; calcii acetas; calcium diacetate; E263; gray acetate; lime acetate; lime pyrolignite; vinegar salts.


Chemical Name and CAS Registry Number: Calcium acetate [62-54-4]

Empirical Formula and Molecular Weight: C4H6CaO4 158.18

Functional Category: Antimicrobial preservative; sequestering agent; therapeutic agent.

Applications in Pharmaceutical Formulation or Technology

Calcium acetate is used as a preservative in oral and topical formulations. Therapeutically, parenteral calcium acetate acts as a source of calcium ions for hypocalcemia or electrolyte balance. Oral calcium acetate is used as a complexing agent for hyperphosphatemia in dialysis patients. Calcium acetate is also used in the food industry as a stabilizer, buffer and sequestrant.

Method of Manufacture

Calcium acetate is manufactured by the reaction of calcium carbonate or calcium hydroxide with acetic acid or pyroligneous acid.


Related Substances: Calcium acetate monohydrate; sodium acetate.


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