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291242

Sigma-Aldrich

Potassium oleate

40 wt. % paste in H2O

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Synonym(s):
Oleic acid potassium salt
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

WGK

WGK 1

Flash Point(F)

closed cup

Flash Point(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)
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)
The preparation of nickel nanorods in water-in-oil microemulsion.
Ni X-M, et al.
Journal of Crystal Growth, 252(4), 612-617 (2003)

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