Calcium Stearate: An Essential Compound in Various Industries Calcium Stearate, also known as calcium di(octadecanoate), is a carboxylate salt of calcium and a type of calcium soap. It is a white, waxy powder that is insoluble in water but soluble in hot pyridine.Get more news about Calcium Stearate,you can vist our website!

Chemical Composition and Production Calcium Stearate has the chemical formula C36H70CaO4 and a molar mass of 607.030 g/mol1. It is produced by heating stearic acid and calcium oxide. The compound appears as a white to yellowish-white powder with a density of 1.08 g/cm3 and a melting point of 155 °C.

Industrial Applications Calcium Stearate finds extensive use in various industries due to its unique properties. In the plastics industry, it acts as an acid scavenger or neutralizer, a lubricant, and a release agent1. It can also improve pigment wetting in plastic colorant concentrates.

In the concrete industry, Calcium Stearate is used for efflorescence control of cementitious products and as a waterproofing agent1. In paper production, it serves as a lubricant to provide good gloss, prevent dusting and fold cracking.

Food and Pharmaceutical Uses As a food additive, Calcium Stearate is known by the generic E number E470a. It can be used as an anti-caking agent, release agent, lubricant, binder, emulsifier, and thickener.

In pharmaceutical manufacturing, Calcium Stearate is used for tablet and capsule lubrication3. It has good anti-adherent and lubricant properties but poor glidant properties.

Safety Measures Despite its wide usage, safety measures must be taken while handling Calcium Stearate. It exhibits low toxicity but is labeled with the signal word ‘Warning’ under GHS labeling due to its potential hazards.

In conclusion, Calcium Stearate is an invaluable compound with diverse applications across various industries. Its unique properties make it an essential asset in manufacturing processes.