Soft, fine, white, waxy powder. Zinc stearate normally occurs as a mixture of the zinc oxide with zinc salts of stearic and palmitic acids. It is used in cosmetic and lacquer as a flatting agent. It is also used as a lubricant on the surface of rubbers and as a release agent on plastic molds. Zinc stearate has also found uses as a waterproofing agent for concrete, rock wool, paper, and textiles.
Synonyms and Related Terms
octadecanoic acid zinc salt
Soluble in benzene. Insoluble in water, alcohol, ether.
|Molecular Weight||mol. wt. = 632.33|
Hazards and Safety
Combustible. Flash point = 277C
Sources Checked for Data in Record
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 9965