Calcium Acetate
Other Names: Calcium diacetate, Acetate of lime, Calcium ethanoate

CAS Number: 62-54-4
Sum Formula: C₄H₆CaO₄
Molar Mass: 158.17 g/mol
Appearance: White crystalline powder or granules

Calcium acetate is the calcium salt of acetic acid. It is a hygroscopic, water-soluble inorganic-organic compound widely used in chemical manufacturing, material science, and environmental applications requiring a stable, soluble source of calcium ions.

Chemical and Physical Properties
Density: 1.5 g/cm³
Melting Point: 160°C (decomposes)
Boiling Point: Not applicable (decomposes)
Solubility in Water: Highly soluble (34 g/100 mL at 0°C)
Solubility in Other Solvents: Slightly soluble in alcohol; insoluble in nonpolar solvents
Odor: Slight acetic odor

Applications
Chemical Industry: Used as a calcium source in various technical formulations and chemical syntheses.
Polymer and Material Science: Employed in stabilizers and crosslinking agents for specialty materials.
Water Treatment: Applied to control phosphate levels and improve water quality through precipitation processes.
Surface Chemistry: Used in coatings, textiles, and as a component in anti-corrosion treatments.
Analytical Chemistry: Utilized in titrations and as a reagent for calcium ion determination.

Safety

Signal Word: Warning

Handling and Storage
Storage Conditions: Store in a tightly closed container in a cool, dry, and well-ventilated area. Protect from moisture and strong acids.
Handling Precautions: Avoid creating dust. Use standard PPE and observe good chemical handling practices.