Conditions | Yield |
---|---|
Trennung von Stearinsaeure durch Behandeln des Saeure-Ester-Gemisches in Aethylenchlorid; |
cis-Octadecenoic acid
hydrazine hydrate
A
stearic acid hydrazide
B
potassium stearate
Conditions | Yield |
---|---|
das Kaliumsalz; |
methanesulfonic acid
n-butyl methanesulfonate
n-butyl stearate
stearic acid
A
potassium mesylate
B
potassium stearate
Conditions | Yield |
---|---|
With potassium hydroxide; water In butan-1-ol at 50 - 175℃; for 0.666667 - 1h; Conversion of starting material; |
Conditions | Yield |
---|---|
With potassium hydroxide In water at 20℃; for 0.5h; | |
With potassium hydroxide at 80℃; pH=10.4; |
Conditions | Yield |
---|---|
With potassium hydroxide In methanol at 60 - 100℃; under 30.003 Torr; for 0.166667h; Microwave irradiation; |
Conditions | Yield |
---|---|
With Aliquat 336 for 0.0166667h; Irradiation; | 98% |
Conditions | Yield |
---|---|
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
4-chloromethyl-2-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-[1,3,2]dioxaphospholane 2-oxide
Conditions | Yield |
---|---|
at 130℃; for 4h; | 88% |
Conditions | Yield |
---|---|
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
potassium stearate
Conditions | Yield |
---|---|
at 130℃; for 3.5h; | 77% |
potassium stearate
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
Conditions | Yield |
---|---|
at 125℃; for 3h; | 76.1% |
Conditions | Yield |
---|---|
at 125℃; for 1.5h; | 75% |
2-oxo-2-(2,2,2-trichloroethoxy)-1,3,2λ5-dioxaphosphorinane
potassium stearate
Conditions | Yield |
---|---|
at 120℃; for 2h; | 72% |
potassium stearate
2-oxo-2-(1,2-distearoyl-rac-glycero)-1,3,2-oxathiaphosphorinane
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 100℃; for 3h; | 71% |
potassium stearate
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
tetrabutylammomium bromide In dichloromethane at 20 - 22℃; for 50h; | 66% |
potassium stearate
Conditions | Yield |
---|---|
at 90℃; for 12h; | 62% |
potassium stearate
2,2-di(2-thioxo-1,3,2λ5-dioxaphosphorinan-2-yloxymethyl)trimethylene distearate
Conditions | Yield |
---|---|
at 120℃; for 12h; | 60% |
potassium stearate
2-oxo-2-(1,2-distearoyl-rac-glycero)-1,3,2-oxaselenaphosphorinane
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 85℃; for 3h; | 55% |
2-[2,2-bis(stearoyloxymethyl)pentyloxy]-1,3,2λ5-dioxaphosphinane 2-selenide
potassium stearate
Conditions | Yield |
---|---|
at 120℃; for 12h; | 52% |
2-[2,2-bis(stearoyloxymethyl)pentyloxy]-1,3,2λ5-dioxaphosphinane 2-sulfide
potassium stearate
Conditions | Yield |
---|---|
at 120℃; for 12h; | 51.6% |
potassium stearate
Conditions | Yield |
---|---|
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
potassium stearate
Conditions | Yield |
---|---|
at 120℃; for 12h; | 46% |
Conditions | Yield |
---|---|
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
potassium stearate
Conditions | Yield |
---|---|
at 120℃; for 12h; | 43% |
1,3,2-dioxaphosphinan-2-oxide
potassium stearate
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 100℃; for 4h; | 27% |
1-bromo-2-propanol
potassium stearate
A
stearic acid-(2-hydroxy-propyl ester)
B
propylene glycol distearate
Conditions | Yield |
---|---|
at 130℃; |
Conditions | Yield |
---|---|
With xylene at 170℃; |
Conditions | Yield |
---|---|
With acid Electrolysis; |
Conditions | Yield |
---|---|
With xylene at 170℃; |
Conditions | Yield |
---|---|
at 130℃; |
3-iodo-propane-1,2-diol
potassium stearate
bis-(2-hydroxy-3-stearoyloxy-propyl)-ether
Conditions | Yield |
---|---|
at 100℃; |
n-butyl α-chloropropionate
potassium stearate
Conditions | Yield |
---|---|
With xylene at 170℃; |
1-bromo-3-palmitoyloxy-acetone
potassium stearate
1-palmitoyloxy-3-stearoyloxy-acetone
Conditions | Yield |
---|---|
With ethanol |
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 (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.
By the high-temperature reaction of stearic acid and potassium hydroxide formed after cooling.
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.
When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Statements
S24/25: Avoid contact with skin and eyes
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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