Ethyl Oleate

Ethyl oleate is a fatty acid ester formed by the condensation of oleic acid and ethanol. It is a colorless to light yellow liquid. Ethyl oleate is used as a solvent for pharmaceutical drug preparations involving lipophilic substances such as steroids. Ethyl oleate is regulated as a food additive by the Food and Drug Administration.

Ethyl Oleate USP NF Grade
C20H38O2 310.51 --- [CAS 111-62-6].
9-Octadecenoic acid, (Z)-, ethyl ester.

Ethyl Oleate consists of esters of ethyl alcohol and high molecular weight fatty acids, principally oleic acid.

Packaging and storage: Preserve in tight, light-resistant containers.
Specific gravity: between 0.866 and 0.874 at 20 .
Viscosity: not less than 5.15 centipoises.
Acid value: not more than 0.5.
Iodine value: between 75 and 85.
Saponification value: between 177 and 188.

Ethyl Oleate BP Ph Eur Grade
Ph Eur

DEFINITION
Mixture consisting of the ethyl esters of fatty acids, mainly oleic (cis-9-octadecenoic) acid. A suitable antioxidant may be added.

CHARACTERS
Appearance: Clear, pale yellow or colourless liquid.
Solubility: Practically insoluble in water, miscible with ethanol (96 per cent), with methylene chloride and with light petroleum (40-60 °C).

IDENTIFICATION
A. Relative density (see Tests).
B. Saponification value (see Tests).
C. Oleic acid (see Tests).

TESTS
Relative density: 0.866 to 0.874.
Acid value: Maximum 0.5, determined on 10.0 g.
Iodine value: 75 to 90.
Peroxide value: Maximum 10.0.
Saponification value: 177 to 188, determined on 2.0 g.
Oleic acid: Minimum 60.0 per cent in the fatty acid fraction of the substance to be examined.
Water: Maximum 1.0 per cent, determined on 1.00 g.
Total ash: Maximum 0.1 per cent, determined on 2.0 g.

STORAGE
Protected from light.

General Properties and Specifications of 2-Ethyl hexyl stearate or Octadecanoic acid 2-ethylhexyl ester:
Appearance: Clear liquid.
Acid Value: 0.2 mg KOH/g maximum.
Saponification Value: 144 – 152 mg KOH/g
Iodine Value: 1.0 g/100g maximum.
Hydroxyl Value: 1 mg KOH/g maximum.
Color APHA, Hazen: 30 maximum.
Specific Gravity: 0.85-0.86 literature.
Boiling Point: 432C literature.
Water content (KF): 0.2% maximum.

Certifications :
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