- Zinc stearate
Name = Zinc stearate
ImageFile = Zinc_stearate.png
ImageSize = 250px
ImageName = Zinc stearate
OtherNames = zinc distearate
Section1 = Chembox Identifiers
CASNo = 557-05-1
Section2 = Chembox Properties
Formula = Zn(C18H35O2)2
MolarMass = 632.2 g/mol
Appearance = soft, white powder
Density = 1.095 g/cm³, solid
Solubility = insoluble
SolubleOther = insoluble
SolubleOther = insoluble
SolubleOther = slightly soluble
MeltingPt = 120-130 °C
BoilingPt = decomposes
Section7 = Chembox Hazards
FlashPt = 277°C
Autoignition = 420°C
EUClass = not listed
NFPA-F = 1
Zinc stearate (Zn(C18H35O2)2) is a zinc soap that repels water. It is insoluble in polar solvents such as alcohol and ether but soluble in aromatic hydrocarbons, e.g.
benzeneand chlorinated hydrocarbons when heated. It is the most powerful mold release agentamong all metal soaps. It contains no electrolyte and has a hydrophobic effect. Its main application areas are the plastics and rubber industry where it is used as a releasing agent and lubricant which can be easily incorporated.
*As a synergic stabilizer for Ba/Cd and Pb stabilizer systems.
*As a gloss imparting agent in paint industry.
*As a metal release agent in rubber, polyurethane and polyester processing system.
*As a die release agent in
*As a chief ingredient in "fanning powder", used by magicians performing
card manipulationto decrease the friction between the cards.
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zinc stearate — n an insoluble salt usu. of commercial stearic acid and usu. containing some zinc oxide that has astringent and antiseptic properties and is used as a constituent of ointments and powders * * * [USP] a compound of zinc with a mixture of solid… … Medical dictionary
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zinc stearate — Chem. a white, fine, soft, water insoluble powder, Zn(C18H35O2)2, used in the manufacture of cosmetics, ointments, and lacquers, as a drying agent for rubber, and as a waterproofing agent for textiles, paper, etc. * * * … Universalium
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