Zinc stearate - CAS 557-05-1

Catalog: BB029142
Product Name: Zinc stearate
CAS: 557-05-1
Synonyms: zinc;octadecanoate
Application: It is widely used as a release agent for the production of many kinds of objects rubber, poly urethane, poly ester processing system, powder metallurgy. These applications exploit its "non-stick" properties . In cosmetics, zinc stearate is a lubricant and thickening to improve texture. It is an "activator" for rubber vulcanization by sulfur and accelerators. As discovered in the early days of vulcanization, zinc has a beneficial effect on the reaction of the sulfur with the polyolefin. The stearate is a form of zinc that is highly soluble in the nonpolar medium of the poly olefins. Being lipophilic, it functions as a phase transfer catalyst for the saponification of fats.zinc stearate is used in cosmetic formulations to increase adhesive properties. It is also used as a coloring agent. This is a mixture of the zinc salts of stearic and palmitic acids.Zinc stearate is primarily used in pharmaceutical formulations as a
lubricant in tablet and capsule manufacture at concentrations up to
1.5% w/w. It has also been used as a thickening and opacifying
agent in cosmetic and pharmaceutical creams, and as a dusting
powder.
Zinc stearate

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Computed Properties
IUPAC Name:zinc;octadecanoate
Description:Zinc Stearate can be used as an antiseptic and astringent.
Molecular Weight:632.33
Molecular Formula:C36H70O4Zn
Canonical SMILES:CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2]
InChI:InChI=1S/2C18H36O2.Zn/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
InChI Key:XOOUIPVCVHRTMJ-UHFFFAOYSA-L
Boiling Point:359.4 °C at 760 mmHg
Melting Point:130 °C
Flash Point:276°C
Density:1.095 g/cm3
Solubility:Soluble in water, ethyl alcohol and diethyl ether.
Appearance:White hydrophobic powder
Storage:Keep away from heat and flame. Store in a cool, dry place. Keep containers tightly closed.
Decomposition:Zinc stearate decomposes on burning producing irritating and toxic fumes including zinc oxide
LogP:9.99310
pH:Neutral to moistened litmus paper;
Stability:Stable. Incompatible with strong oxidizing agents.
Vapor Pressure:0 mm Hg (approx) (NIOSH, 2016);0 mmHg (approx);0 mmHg (approx);

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