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/c21-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h22-17H2,1H3,(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:	276ºC
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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