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291242

Sigma-Aldrich

Potassium oleate

40 wt. % paste in H2O

Synonym(s):

Oleic acid potassium salt

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About This Item

Linear Formula:
CH3(CH2)7CH=CH(CH2)7COOK
CAS Number:
143-18-0
Molecular Weight:
320.55
Beilstein:
4167152
MDL number:
MFCD00064243
UNSPSC Code:
12352100
PubChem Substance ID:
24857521
NACRES:
NA.22

concentration

40 wt. % paste in H2O

storage temp.

2-8°C

SMILES string

[K+].[H]\C(CCCCCCCC)=C(/[H])CCCCCCCC([O-])=O

InChI

1S/C18H34O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h9-10H,2-8,11-17H2,1H3,(H,19,20);/q;+1/p-1/b10-9-;

InChI key

MLICVSDCCDDWMD-KVVVOXFISA-M

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General description

Small-angle neutron-scattering study of microimulsions of potassium oleate, n-hexadecane, water and cosurfactant has been reported.

Application

Potassium oleate has been used in the preparation of:
  • nickel nanorods with a diameter of 8-10nm and a length of 100-200nm
  • aqueous sols of calcium olcate

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

140.0 °F - closed cup

Flash Point(C)

60 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Small-angle neutron-scattering study of W/O n-hexadecane, potassium oleate, water and alcohol CnH2n+ 1OH (n= 5-8) microemulsions: effect of water concentration.
Caponetti E, et al.
Langmuir, 6(11), 1628-1634 (1990)
The preparation of nickel nanorods in water-in-oil microemulsion.
Ni X-M, et al.
Journal of Crystal Growth, 252(4), 612-617 (2003)
Precipitation phenomena of heavy metal soaps in aqueous solutions: I. Calcium oleate.
Matijevic E, et al.
Journal of Colloid and Interface Science, 22(5), 419-429 (1966)

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