Product Name

  • Name

    Potassium stearate

  • EINECS 209-786-1
  • CAS No. 593-29-3
  • Article Data6
  • CAS DataBase
  • Density 1.12 g/cm3
  • Solubility insoluble in water
  • Melting Point
  • Formula C18H35KO2
  • Boiling Point 359.4 °C at 760 mmHg
  • Molecular Weight 322.573
  • Flash Point 162.4 °C
  • Transport Information
  • Appearance white powder
  • Safety 24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 593-29-3 (Potassium stearate)
  • Hazard Symbols
  • Synonyms Octadecanoicacid, potassium salt (9CI);Stearic acid, potassium salt (8CI);Nonsoul SK 1;Potassium n-octadecanoate;Potassium octadecanoate;
  • PSA 40.13000
  • LogP 4.99780

Synthetic route

Methyl stearate
112-61-8

Methyl stearate

aqueous KOH

aqueous KOH

potassium stearate
593-29-3

potassium stearate

Conditions
ConditionsYield
Trennung von Stearinsaeure durch Behandeln des Saeure-Ester-Gemisches in Aethylenchlorid;
cis-Octadecenoic acid
112-80-1

cis-Octadecenoic acid

hydrazine hydrate
7803-57-8

hydrazine hydrate

A

stearic acid hydrazide
4130-54-5

stearic acid hydrazide

B

potassium stearate
593-29-3

potassium stearate

Conditions
ConditionsYield
das Kaliumsalz;
methanesulfonic acid
75-75-2

methanesulfonic acid

n-butyl methanesulfonate
1912-32-9

n-butyl methanesulfonate

n-butyl stearate
123-95-5

n-butyl stearate

stearic acid
57-11-4

stearic acid

A

potassium mesylate
2386-56-3

potassium mesylate

B

potassium stearate
593-29-3

potassium stearate

Conditions
ConditionsYield
With potassium hydroxide; water In butan-1-ol at 50 - 175℃; for 0.666667 - 1h; Conversion of starting material;
stearic acid
57-11-4

stearic acid

potassium stearate
593-29-3

potassium stearate

Conditions
ConditionsYield
With potassium hydroxide In water at 20℃; for 0.5h;
With potassium hydroxide at 80℃; pH=10.4;
Methyl stearate
112-61-8

Methyl stearate

potassium stearate
593-29-3

potassium stearate

Conditions
ConditionsYield
With potassium hydroxide In methanol at 60 - 100℃; under 30.003 Torr; for 0.166667h; Microwave irradiation;
potassium stearate
593-29-3

potassium stearate

1-Bromooctadecane
112-89-0

1-Bromooctadecane

octadecanoic acid, octadecyl ester
2778-96-3

octadecanoic acid, octadecyl ester

Conditions
ConditionsYield
With Aliquat 336 for 0.0166667h; Irradiation;98%
potassium stearate
593-29-3

potassium stearate

stearic acid
57-11-4

stearic acid

stearic anhydride
638-08-4

stearic anhydride

Conditions
ConditionsYield
Stage #1: stearic acid With trichloroisocyanuric acid; triphenylphosphine In dichloromethane at 0 - 20℃;
Stage #2: potassium stearate In dichloromethane at 20℃; for 1.25h;
95%
potassium stearate
593-29-3

potassium stearate

4-chloromethyl-2-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-[1,3,2]dioxaphospholane 2-oxide
340732-61-8

4-chloromethyl-2-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-[1,3,2]dioxaphospholane 2-oxide

C27H51ClO8P(1-)*K(1+)

C27H51ClO8P(1-)*K(1+)

Conditions
ConditionsYield
at 130℃; for 4h;88%
europium(III) nitrate hexahydrate

europium(III) nitrate hexahydrate

water
7732-18-5

water

potassium stearate
593-29-3

potassium stearate

europium(III)(n-C17H35CO2)3*H2O

europium(III)(n-C17H35CO2)3*H2O

Conditions
ConditionsYield
In ethanol; water potassium n-alkanoate dissolved in a mixture of deionized water and ethanol (1:1 v/v) and added dropwise to a stirred soln. of Eu(NO3)3*6H2O in water; white precipitate formed; stirred at room temp. for 3 h; precipitate filtered, and washed repeatedly with aq. ethanol (1:1 v/v) and hot acetone; dried at room temp. for 24 h; elem. anal.;85%
2-morpholino-2-oxo-1,3,2λ5-dioxaphosphorinane
53179-86-5

2-morpholino-2-oxo-1,3,2λ5-dioxaphosphorinane

potassium stearate
593-29-3

potassium stearate

potassium 2-stearoyloxypropyl morpholidophosphate

potassium 2-stearoyloxypropyl morpholidophosphate

Conditions
ConditionsYield
at 130℃; for 3.5h;77%
potassium stearate
593-29-3

potassium stearate

2-oxo-2-(1,2-distearoyl-3-rac-glycero)-5-benzyloxy-1,3,2-dioxaphosphorinane
79635-18-0

2-oxo-2-(1,2-distearoyl-3-rac-glycero)-5-benzyloxy-1,3,2-dioxaphosphorinane

potassium (1-stearoyl-2-O-benzyl-rac-glycero-3)-(1,2-distearoyl-rac-glycero-3)phosphate
79635-19-1

potassium (1-stearoyl-2-O-benzyl-rac-glycero-3)-(1,2-distearoyl-rac-glycero-3)phosphate

Conditions
ConditionsYield
at 125℃; for 3h;76.1%
potassium stearate
593-29-3

potassium stearate

2-morpholino-2-oxo-1,3,2λ5-dioxaphospholane
7114-70-7

2-morpholino-2-oxo-1,3,2λ5-dioxaphospholane

potassium 2-stearoyloxyethyl morpholidophosphate

potassium 2-stearoyloxyethyl morpholidophosphate

Conditions
ConditionsYield
at 125℃; for 1.5h;75%
2-oxo-2-(2,2,2-trichloroethoxy)-1,3,2λ5-dioxaphosphorinane
53236-59-2

2-oxo-2-(2,2,2-trichloroethoxy)-1,3,2λ5-dioxaphosphorinane

potassium stearate
593-29-3

potassium stearate

potassium 2-stearoyloxypropyl (2,2,2-trichloroethyl) phosphate

potassium 2-stearoyloxypropyl (2,2,2-trichloroethyl) phosphate

Conditions
ConditionsYield
at 120℃; for 2h;72%
potassium stearate
593-29-3

potassium stearate

2-oxo-2-(1,2-distearoyl-rac-glycero)-1,3,2-oxathiaphosphorinane
120489-88-5

2-oxo-2-(1,2-distearoyl-rac-glycero)-1,3,2-oxathiaphosphorinane

1,2-distearoyl-rac-glycero-3-thio-γ-stearoylpropyl phosphate, potassium salt

1,2-distearoyl-rac-glycero-3-thio-γ-stearoylpropyl phosphate, potassium salt

Conditions
ConditionsYield
In dimethyl sulfoxide at 100℃; for 3h;71%
dichlorobis(acetylacetonato-O,O')titanium(IV)

dichlorobis(acetylacetonato-O,O')titanium(IV)

potassium stearate
593-29-3

potassium stearate

bis(acetylacetonato)distearato titanate(IV)

bis(acetylacetonato)distearato titanate(IV)

Conditions
ConditionsYield
In methanol byproducts: KCl; Ti(acac)2Cl2 soln. added to K-stearate soln., stirred, refluxed (3h); cooled to room temp., KCl removed by filtration, mother liquor concentrated, cooled, ppt. filtered, washed with dry ether, dried (in vac.); elem. anal.;70%
potassium stearate
593-29-3

potassium stearate

allyl bromide
106-95-6

allyl bromide

allyl stearate
6289-31-2

allyl stearate

Conditions
ConditionsYield
tetrabutylammomium bromide In dichloromethane at 20 - 22℃; for 50h;66%
potassium stearate
593-29-3

potassium stearate

4-chloromethyl-2-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-[1,3,2]dioxaphospholane 2-sulfide

4-chloromethyl-2-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-[1,3,2]dioxaphospholane 2-sulfide

C27H51ClO7PS(1-)*K(1+)

C27H51ClO7PS(1-)*K(1+)

Conditions
ConditionsYield
at 90℃; for 12h;62%
potassium stearate
593-29-3

potassium stearate

2,2-di(2-thioxo-1,3,2λ5-dioxaphosphorinan-2-yloxymethyl)trimethylene distearate
152015-83-3

2,2-di(2-thioxo-1,3,2λ5-dioxaphosphorinan-2-yloxymethyl)trimethylene distearate

dipotassium O,O'-bis(3-stearoyloxypropyl)-O,O'-(2,2-distearoyloxymethyltrimethylene) bisthiophosphate

dipotassium O,O'-bis(3-stearoyloxypropyl)-O,O'-(2,2-distearoyloxymethyltrimethylene) bisthiophosphate

Conditions
ConditionsYield
at 120℃; for 12h;60%
potassium stearate
593-29-3

potassium stearate

2-oxo-2-(1,2-distearoyl-rac-glycero)-1,3,2-oxaselenaphosphorinane
120489-87-4

2-oxo-2-(1,2-distearoyl-rac-glycero)-1,3,2-oxaselenaphosphorinane

1,2-distearoyl-rac-glycero-3-seleno-γ-stearoylpropyl phosphate, potassium salt

1,2-distearoyl-rac-glycero-3-seleno-γ-stearoylpropyl phosphate, potassium salt

Conditions
ConditionsYield
In dimethyl sulfoxide at 85℃; for 3h;55%
2-[2,2-bis(stearoyloxymethyl)pentyloxy]-1,3,2λ5-dioxaphosphinane 2-selenide
888227-05-2

2-[2,2-bis(stearoyloxymethyl)pentyloxy]-1,3,2λ5-dioxaphosphinane 2-selenide

potassium stearate
593-29-3

potassium stearate

potassium O-[2,2-bis(stearoyloxymethyl)pentyl]-O-[3-(stearoyloxy)propyl] selenophosphate

potassium O-[2,2-bis(stearoyloxymethyl)pentyl]-O-[3-(stearoyloxy)propyl] selenophosphate

Conditions
ConditionsYield
at 120℃; for 12h;52%
2-[2,2-bis(stearoyloxymethyl)pentyloxy]-1,3,2λ5-dioxaphosphinane 2-sulfide
888227-04-1

2-[2,2-bis(stearoyloxymethyl)pentyloxy]-1,3,2λ5-dioxaphosphinane 2-sulfide

potassium stearate
593-29-3

potassium stearate

potassium O-[2,2-bis(stearoyloxymethyl)pentyl]-O-[3-(stearoyloxy)propyl] thiophosphate

potassium O-[2,2-bis(stearoyloxymethyl)pentyl]-O-[3-(stearoyloxy)propyl] thiophosphate

Conditions
ConditionsYield
at 120℃; for 12h;51.6%
rasagiline-N-chloromethyl formate

rasagiline-N-chloromethyl formate

potassium stearate
593-29-3

potassium stearate

methyl ((rasagiline-N-formyl)oxy)stearate

methyl ((rasagiline-N-formyl)oxy)stearate

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide In N,N-dimethyl-formamide at 65℃; Inert atmosphere;51.55%
2-thio-2-[2,2-di(stearoyloxymethyl)hexyl-1-oxy]-1,3,2-dioxaphospholane
883149-10-8

2-thio-2-[2,2-di(stearoyloxymethyl)hexyl-1-oxy]-1,3,2-dioxaphospholane

potassium stearate
593-29-3

potassium stearate

C64H124O9PS(1-)*K(1+)

C64H124O9PS(1-)*K(1+)

Conditions
ConditionsYield
at 120℃; for 12h;46%
sucrose
27641-21-0

sucrose

potassium stearate
593-29-3

potassium stearate

sucrose stearate

sucrose stearate

Conditions
ConditionsYield
With potassium hydroxide In water at 130℃; under 30.003 Torr; for 3h; Temperature; Time; Microwave irradiation;45.1%
2-seleno-2-[2,2-di(stearoyloxymethyl)hexyl-1-oxy]-1,3,2-dioxaphospholane
883149-11-9

2-seleno-2-[2,2-di(stearoyloxymethyl)hexyl-1-oxy]-1,3,2-dioxaphospholane

potassium stearate
593-29-3

potassium stearate

C64H124O9PSe(1-)*K(1+)

C64H124O9PSe(1-)*K(1+)

Conditions
ConditionsYield
at 120℃; for 12h;43%
1,3,2-dioxaphosphinan-2-oxide
16352-21-9

1,3,2-dioxaphosphinan-2-oxide

potassium stearate
593-29-3

potassium stearate

potassium 3-stearoyloxypropyl phosphonate

potassium 3-stearoyloxypropyl phosphonate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 100℃; for 4h;27%
1-bromo-2-propanol
19686-73-8

1-bromo-2-propanol

potassium stearate
593-29-3

potassium stearate

A

stearic acid-(2-hydroxy-propyl ester)
142-75-6, 20325-59-1

stearic acid-(2-hydroxy-propyl ester)

B

propylene glycol distearate
6182-11-2, 20243-23-6

propylene glycol distearate

Conditions
ConditionsYield
at 130℃;
butyl chloroacetate
590-02-3

butyl chloroacetate

potassium stearate
593-29-3

potassium stearate

stearoyloxy-acetic acid butyl ester

stearoyloxy-acetic acid butyl ester

Conditions
ConditionsYield
With xylene at 170℃;
ethanol
64-17-5

ethanol

potassium stearate
593-29-3

potassium stearate

stearic acid ethyl ester
111-61-5

stearic acid ethyl ester

Conditions
ConditionsYield
With acid Electrolysis;
Methyl 2-bromopropionate
5445-17-0

Methyl 2-bromopropionate

potassium stearate
593-29-3

potassium stearate

2-stearoyloxy-propionic acid methyl ester

2-stearoyloxy-propionic acid methyl ester

Conditions
ConditionsYield
With xylene at 170℃;
2-bromopropanol
598-18-5

2-bromopropanol

potassium stearate
593-29-3

potassium stearate

1,2-propylene glycol stearate
3539-36-4

1,2-propylene glycol stearate

Conditions
ConditionsYield
at 130℃;
3-iodo-propane-1,2-diol
554-10-9

3-iodo-propane-1,2-diol

potassium stearate
593-29-3

potassium stearate

bis-(2-hydroxy-3-stearoyloxy-propyl)-ether
107208-72-0

bis-(2-hydroxy-3-stearoyloxy-propyl)-ether

Conditions
ConditionsYield
at 100℃;
1,3-Dichloro-2-propanol
96-23-1

1,3-Dichloro-2-propanol

potassium stearate
593-29-3

potassium stearate

1,3-distearoylglycerol
504-40-5

1,3-distearoylglycerol

n-butyl α-chloropropionate
54819-86-2

n-butyl α-chloropropionate

potassium stearate
593-29-3

potassium stearate

2-stearoyloxy-propionic acid butyl ester

2-stearoyloxy-propionic acid butyl ester

Conditions
ConditionsYield
With xylene at 170℃;
1-bromo-3-palmitoyloxy-acetone
412019-89-7

1-bromo-3-palmitoyloxy-acetone

potassium stearate
593-29-3

potassium stearate

1-palmitoyloxy-3-stearoyloxy-acetone
860712-34-1

1-palmitoyloxy-3-stearoyloxy-acetone

Conditions
ConditionsYield
With ethanol

Potassium stearate Chemical Properties

The Molecular Structure of Potassium stearate (CAS NO.593-29-3):


Empirical Formula: C18H35KO2
Molecular Weight: 322.5676 
IUPAC Name: potassium octadecanoate  
Appearance: white powder
Nominal Mass: 322 Da
Average Mass: 322.5676 Da
Monoisotopic Mass: 322.227412 Da 
Flash Point: 162.4 °C
Enthalpy of Vaporization: 63.84 kJ/mol
Boiling Point: 359.4 °C at 760 mmHg
Vapour Pressure: 8.58E-06 mmHg at 25°C 
log P (octanol-water): 4.130
Atmospheric OH Rate Constant: 2.15E-11 cm3/molecule-sec at 25°C
Water Solubility: insoluble 
InChI
InChI=1/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1
Smiles
C(CCCCCCCCCCC)CCCCCC(=O)[O-].[K+] 
EINECS: 209-786-1

Potassium stearate Uses

 Potassium stearate (CAS NO.593-29-3) is used as a surface active agent and fiber softener, Loose agent, blowing agents, anti-caking agent, emulsifier, stabilizer, and it also used as emulsifier, can be used for cakes, maximum use of 0.18g/kg.

Potassium stearate Production

By the high-temperature reaction of stearic acid and potassium hydroxide formed after cooling.

Potassium stearate Toxicity Data With Reference

RTECS#: CAS# 593-29-3: WI4600000
LD50/LC50: RTECS: Not available. 
Carcinogenicity: Potassium stearate - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.

Potassium stearate Safety Profile

When heated to decomposition it emits acrid smoke and irritating fumes.   
Safety Statements
S24/25: Avoid contact with skin and eyes

Potassium stearate Specification

Chemical Stability: Stable under normal temperatures and pressures. 
Conditions to Avoid: Incompatible materials. 
Incompatibilities with Other Materials: Strong oxidizing agents. 
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, oxides of potassium. 
Hazardous Polymerization: Will not occur.  
 Potassium stearate (CAS NO.593-29-3) is also called as Octadecanoic acid, potassium salt ; Octadecanoic acid, potassium salt ; Potassium n-octadecanoate ; Potassium octadecanoate ; Potassium stearate ; Steadan 300 ; Stearates ; Stearic acid, potassium salt ; Octadecanoic acid, potassium salt ; Octadecanoic acid, potassium salt (1:1) ; Potassium stearate, pure ; Stearic acid, potassium salt .

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