Oil molecule

Oil molecule

Triglycerides containing unsaturated fatty acids are liquid at room temperature.

Chemistry

Keywords

oil molecule, lipid, neutral fat, triglyceride, vegetable oil, unsaturated compound, unsaturated fatty acid, glycerol, ester bond, oleic acid, stearic acid, palmitic acid, chemistry, organic chemistry

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Scenes

Ball-and-stick

Oil molecule C₅₇H₁₀₇O₆

Information

Molar mass: 887.45 g/mol

Properties

Oils are triglycerides, the glycerol in their molecules is esterified by three fatty acid molecules, at least one of which is unsaturated. (The oil molecule shown here consists of a saturated stearic acid molecule and two unsaturated oleic acid molecules.) This mixture of fatty acid and glyceryl ester is a liquid; due to the unsaturated fatty acids, it is insoluble in water, but it dissolves well in ether and chloroform.

Occurrence and production

Oils are extracted from the seeds of oily plants.

Uses

Oils are used in the production of food, paint, leather care products, cosmetic products, fatty alcohols and fatty acids.

Space-filling

Narration

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Fat molecule

Three saturated fatty acid molecules linked to a glycerol molecule.

Oleic acid (cis-octadec-9-enoic acid) (C₁₇H₃₃COOH)

An unsaturated monocarboxylic acid. The molecule contains double bond in cis orientation.

Palmitic acid (hexadecanoic acid) (C₁₅H₃₁COOH)

A white, waxy substance, a carboxylic acid of high carbon number.

Stearic acid (octadecanoic acid) (C₁₇H₃₅COOH)

Solid, white substance, a constituent of vegetable oils and animal fats.

Glycerol (propane-1,2,3-triol) (C₃H₈O₃)

A triol that is often used as an ingredient of creams and ointments.

Soap

Fatty acid molecules consist of a polar head and a non-polar tail, therefore they are suitable for removing fat stains.

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