What is ethyl oleate CAS 111-62-6?
Ethyl oleate also known as oleic acid ethyl ester, is an organic compound classified as a fatty acid ester, derived from oleic acid and ethanol. Its chemical structure is CH₃(CH₂)₇CH=CH(CH₂)₇COOCH₂CH₃, with a molecular formula of C₂₀H₃₈O₂.
Appearance: Colorless to pale yellow liquid, with a mild, fatty odor.
Solubility: Insoluble in water; soluble in organic solvents such as ethanol, diethyl ether, and chloroform.
Melting Point: Approximately -35°C (-31°F).
Boiling Point: 207°C (405°F) at 15 mmHg (partial pressure); decomposes before reaching atmospheric boiling point.
Density: 0.87 g/cm³ at 25°C.
Flash Point: ~110°C (230°F) (closed-cup method).
Stability: Stable under normal conditions, but may oxidize slowly in air due to the unsaturated double bond in the oleic acid chain.
What is ethyl oleate used for?
Cosmetics and Personal Care:
Ethyl oleate is used as an emollient and skin-conditioning agent in lotions, creams, and makeup to improve texture and enhance skin feel.
Acts as a fragrance fixative in perfumes.
Pharmaceuticals:
Oleic Acid ethyl ester is used as a solvent or carrier for drugs in topical formulations (e.g., creams, ointments).
Ethyl oleate is Used in the production of liposomes and other drug-delivery systems.
Industrial and Chemical Synthesis:
A precursor in the production of oleic acid derivatives, such as oleic acid esters and surfactants.
Functions as a plasticizer in polymers to improve flexibility.
Food Industry (Limited Use):
Occasionally used as a food additive (e.g., flavoring agent or processing aid), though its use is restricted in some regions due to safety considerations.
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