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Cas:557-05-1
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inquiryFood grade Zinc Stearate Molecular formula: Zn[CH3(CH2)16COO]2 CAS NO.: 557-05-1 Chemical structural formula: Main uses widely used in food addtive Quality standard Testing item Testing standard Speci
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inquiryApplication: this product is mainly used as non-toxic Polyvinyl chloride stabilizer, also used as mold release agent of cosmetic and Styrene Resin, as softener and isolator in rubber industry; Can also be used for textile Polish and paint matting a
As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquiryItems Standard Test Result Appearance White fine powder, greasy to touch Conforms Melting point
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inquiryZinc Stearate Item Index Top grade First grade Qualified product Zn, % 10.3-11.3 10.3-11.3 10.0-11.5 Melting point, ºC 120+5
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inquiryName: Zinc stearate Molecular formula: C36H70O4Zn CAS No.: 557-05-1 EINECS No.: 209-151-9 Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:It is used as lubricant, stabilizer, thickener, ac
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Min.Order:10 Gram
Negotiable
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Cas:557-05-1
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inquiryConditions | Yield |
---|---|
With zinc(II) oxide; citric acid In water at 60 - 70℃; for 0.5h; | 100% |
With zinc(II) oxide; hydroxypropyl methylcellulose; citric acid In water at 65 - 75℃; for 1h; | 100% |
With Tergitol 15-S-7; zinc(II) oxide; hydroxypropyl methylcellulose; citric acid In water at 55 - 70℃; for 0.25 - 1h; | 99.1% |
Conditions | Yield |
---|---|
In solid byproducts: H2O; High Pressure; synthesized by intense high-pressure shear treatment (Usp. Khim., 2001, vol. 70, no. 1, pp. 72-87); | 97% |
In ethanol prepn. by refluxing ZnO with excess of carboxylic acid in EtOH for about2 h; cooled; ppt. filtered off; washed (EtOH) repeatedly; collected; kept over silica gel in vac. desiccator; elem. anal.; | 85% |
Stage #1: stearic acid; zinc(II) oxide With dihydrogen peroxide at 130 - 160℃; for 1.5h; Stage #2: Reagent/catalyst; | |
at 130 - 170℃; under 1575.16 Torr; for 0.75h; |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: CH3COOH; stoich. mixt. stirred at 180°C (thermotstated oil reactor) for 3 h; CH3COOH stripped by N2 stream, collected in condensor; | 64% |
tetramethyl ammonium stearate
(Zn(S2P(OC6H4Me-p)2)2)
A
tetramethylammonium bis(OO'-di-p-tolyl dithiophosphato-S) (OO'-di-p-tolyl dithiophosphato-SS')zincate
Conditions | Yield |
---|---|
In isopropyl alcohol soln. (NMe4)(OCOC17H35) in propan-2-ol added slowly with stirring to (Zn(S2P(OC6H4Me-p)2)2) in propan-2-ol; ppt. (zinc stearate) filtered off, soln. allowed to stand at room temp.for 24 h, (NMe4)(Zn(S2P(OC6H4Me-p)2)3) filtered off, mother-liquor evapd. in vacuo - (NMe4)(S2P(OC6H4Me-p)2); | A 25% B n/a C 30% |
bis(diethyldithiophosphinato)zinc
tetraethylammonium stearate
A
tetraethylammonium diphenyldithiophosphinate
B
tetraethylammonium bis(diphenyldithiophosphinato-S) (diphenyldithiophosphinato-SS')zincate
C
zinc stearate
Conditions | Yield |
---|---|
In acetone mixt. (Zn(S2PPh2)2) and (NEt4)(OCOC17H35) in acetone refluxed for 24 h; ppt. (zinc stearate) filtered off, soln. allowed to stand at room temp.for 24 h, (NEt4)(Zn(S2PPh2)3) filtered off, mother-liquor evapd. in vacuo - (NEt4)(S2PPh2); | A 15% B 20% C n/a |
Conditions | Yield |
---|---|
at 75℃; |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol; water KOH aq. soln. was added dropwise to stearic acid ethanol soln. slowly and stirred 2 h, zinc sulphonate aq. soln. was added, stirred for 2 h; refrigerator for 1 night, ppt. was filtered, washed with distilled water, ethanol, acetone, recrystd. from benzene, dried under vac. at 60°C over night; |
Conditions | Yield |
---|---|
In sodium hydroxide acid dissolved at 80°C, an aq. chloride added dropwise, heated atca. 80°C for ca. 30 min; ppt. collected, dried (vac.); | |
With sodium hydroxide at 40℃; | |
In water at 70℃; |
Conditions | Yield |
---|---|
In water aq. soln. of Na-salt of fatty acid added to aq. ZnCl2; washed with EtOH and water; | |
In ethanol; water equimolar aq. ZnCl2 slowly titrated with sodium stearate in aq. EtOH; pptd. (Et2O), filtered, dried at 60°C (vac.) overnight; elem. anal.; | |
In ethanol; water stoich. amt. of aq. soln. of ZnCl2 added to alcoholic soln. of org. compd.; ppt. filtered and washed with EtOH and water, characterized by powder XRD patterns; | |
In diethyl ether; ethanol pptn. in diethylether; filtration and drying (60°C, vac.), repeated 5x; IR, elem. anal.; | |
In water |
tetrabutylammonium stearate
B
zinc stearate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
Conditions | Yield |
---|---|
In octane byproducts: H2O; Zn(OH)2 refluxed with 50% excess of C18H35OOH in octane; cooled slow, filtered off, washed with octane, elem. anal.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetramethyl ammonium stearate
A
N(CH3)4(1+)*Zn(S2CN(CH3)2)3(1-)=[N(CH3)4][Zn(S2CN(CH3)2)3]
B
zinc stearate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
Conditions | Yield |
---|---|
With triethylamine In ethanol Zn(NO3)2*6H2O and stearic acid dissolved in ethanol; triethylamine dropped into soln. under stirring until pptn.; washed (hot ethanol); dried at 353 K for 12 h; XRD; |
Conditions | Yield |
---|---|
In chloroform; water film of zinc stearate prepd. by spreading soln. of stearic acid in chloroform on surface of aq. soln. of ZnBr2; IR-spectroscopy; |
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