Zinc stearate is a white powder, insoluble in water, soluble in hot ethanol, benzene, toluene, turpentine and other organic solvents; it decomposes into stearic acid when exposed to acid. and corresponding salts; it is fire hazard under dry conditions, with an autoignition point of 900°C; it is hygroscopic.
The applications of zinc stearate in medicine are as follows:
Zinc stearate can be used as a pharmaceutical excipient;
Steearin The hydrophobicity of zinc stearate can effectively prevent tablets from getting damp;
Zinc stearate is mainly used as a lubricant for tablets and capsules in pharmaceutical preparations, with a maximum concentration of 1.5%;
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Zinc stearate has also been used as a thickener and opacifier in medicinal creams.