Names | |
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Other names cerium(3+) octadecanoate, cerous stearate, cerium tristearate [1] | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.035.048 |
EC Number |
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PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C 54H 105CeO 6 | |
Molar mass | 989.69 |
Appearance | white powder |
Density | g/cm3 |
Melting point | 120 °C (248 °F; 393 K) |
insoluble | |
Hazards | |
GHS labelling: | |
P262, P280, P304+P340, P305+P351+P338, P403+P233, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Cerium stearate is a metal-organic compound, a salt of cerium and stearic acid with the chemical formula C
54H
105CeO
6. [2] [3] The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. [4]
Cerium stearate is synthesized from the reaction of cerium oxide with stearic acid in an inert atmosphere at temperatures between 100 and 200 °C. [5] It can also be obtained by the reaction of cerium nitrate and potassium stearate. [6]
The compound forms a white powder which is insoluble in water.[ citation needed ]
The compound is used in a variety of industrial and laboratory applications: as a lubricant, antioxidant, and antifoaming agent. Other uses include as a catalyst in the synthesis of polymers and as a stabilizer in the production of plastics. [5]
Stearic acid is a saturated fatty acid with an 18-carbon chain. The IUPAC name is octadecanoic acid. It is a soft waxy solid with the formula CH3(CH2)16CO2H. The triglyceride derived from three molecules of stearic acid is called stearin. Stearic acid is a prevalent fatty-acid in nature, found in many animal and vegetable fats, but is usually higher in animal fat than vegetable fat. It has a melting point of 69.4 °C and a pKa of 4.50.
Cerium(III) chloride (CeCl3), also known as cerous chloride or cerium trichloride, is a compound of cerium and chlorine. It is a white hygroscopic salt; it rapidly absorbs water on exposure to moist air to form a hydrate, which appears to be of variable composition, though the heptahydrate CeCl3·7H2O is known. It is highly soluble in water, and (when anhydrous) it is soluble in ethanol and acetone.
Magnesium stearate is the chemical compound with the formula Mg(C
18H
35O
2)
2. It is a soap, consisting of salt containing two equivalents of stearate (the anion of stearic acid) and one magnesium cation (Mg2+). Magnesium stearate is a white, water-insoluble powder. Its applications exploit its softness, insolubility in many solvents, and low toxicity. It is used as a release agent and as a component or lubricant in the production of pharmaceuticals and cosmetics.
Lithium stearate is a chemical compound with the formula LiO2C(CH2)16CH3. It is formally classified as a soap (a salt of a fatty acid). Lithium stearate is a white soft solid, prepared by the reaction of lithium hydroxide and stearic acid.
Cadmium stearate is a salt with the formula Cd(O2CC17H35)2. Classified as a metallic soap, this a white solid is used as a lubricant and as a heat- and light-stabilizer in polyvinyl chloride. The use of cadmium stearate is being phased out because of its toxicity.
Magnesium laurate is a metal-organic compound with the chemical formula C
24H
46MgO
4. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Silver stearate is a metal-organic compound with the chemical formula C
18H
36AgO
2. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Tin(II) stearate is a metal-organic compound with the chemical formula C
18H
36SnO
2. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Copper(II) stearate is a metal-organic compound, a salt of copper and stearic acid with the formula Cu(C17H35COO)2. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Mercury(II) stearate is a metal-organic compound, a salt of mercury and stearic acid with the chemical formula C
36H
70HgO
4. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. The compound is highly toxic by inhalation, ingestion, and skin absorption.
Cobalt(II) stearate is a metal-organic compound, a salt of cobalt and stearic acid with the chemical formula C
36H
70CoO
4. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Nickel(II) stearate is a metal-organic compound, a salt of nickel and stearic acid with the chemical formula C
36H
70NiO
4. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. The compound is harmful if swallowed and may cause skin sensitization.
Strontium stearate is a metal-organic compound, a salt of strontium and stearic acid with the chemical formula C
36H
70SrO
4. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Zirconium stearate is a metal-organic compound, a salt of zirconium and stearic acid with the chemical formula C
72H
140ZrO
8.
Lanthanum stearate is a metal-organic compound, a salt of lanthanum and stearic acid with the chemical formula C
54H
108LaO
6. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Manganese stearate is a metal-organic compound, a salt of manganese and stearic acid with the chemical formula C
36H
70MnO
4. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Potassium stearate is a metal-organic compound, a salt of potassium and stearic acid with the chemical formula C
18H
35KO
2. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Lead stearate is a metal-organic compound, a salt of lead and stearic acid with the chemical formula C
36H
70PbO
4. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. The compound is toxic.
Caesium stearate is a metal-organic compound, a salt of caesium and stearic acid with the chemical formula C
18H
35CsO
2. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Iron(III) stearate is a metal-organic compound, a salt of iron and stearic acid with the chemical formula C
54H
105FeO
6.