Ethyl Octanoate

Ethyl octanoate, also known as ethyl n-octanoate, is a saturated fatty acid ester formed from octanoic acid and ethanol; it occurs naturally in fruits such as pineapples and strawberries, as well as in alcoholic beverages. It is insoluble in water but readily soluble in common organic solvents such as ethanol, diethyl ether, and chloroform.

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Product Introduction

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Physicochemical properties

Appearance and Odor: Ethyl Octanoate is a colorless, transparent liquid with a sweet, fruity, and alcoholic aroma, featuring notes reminiscent of pineapple, apricot, and brandy.
Boiling Point and Flash Point: Boiling point at atmospheric pressure is 206–208°C; closed-cup flash point is 75°C; classified as a combustible liquid.
Density and Solubility: Relative density is approximately 0.866 g/cm³ (lighter than water); insoluble in water but readily soluble in common organic solvents such as ethanol, diethyl ether, and chloroform.

Primary Uses

Food Flavor Formulation: These are classic fruity and spirit-like flavoring agents widely used in confectionery, beverages, and baked goods; they are frequently employed to create flavors such as grape, apple, pineapple, and brandy.
Personal Care and Cosmetics: Used in products like perfumes, soaps, and shampoos to provide fresh, fruity top notes; they also serve as fragrance ingredients or emollient esters that improve the spreadability of products.
Industrial Solvents and Synthesis: Utilized as mild, high-boiling-point solvents for inks and coatings, as well as solvents for natural resins; they also serve as organic synthesis intermediates for the production of surfactants, lubricants, and other products.

Safety and Storage

Toxicity and Protection: Ethyl octanoate has low toxicity. (oral LD₅₀ in rats > 25,000 mg/kg); however, its vapors cause mild irritation to the eyes, nose, and respiratory tract. Ensure adequate ventilation during handling and wear protective gloves and goggles.
Storage Requirements: Store in a sealed container within a cool, dry, well-ventilated, and light-protected dedicated warehouse; keep away from high-temperature heat sources, open flames, strong oxidizers, and acidic or alkaline substances.