Lena Savoie
Ethyl alcohol, also known as ethanol, is an organic compound with the condensed structural formula CH3CH2OH. It is a colourless, flammable liquid with a pungent taste and a slight odour. Ethanol is created by the hydration of ethylene in the presence of a catalyst, such as sulfuric acid, and has widespread use as a precursor for other organic compounds. It is also the active ingredient in alcoholic beverages and is the second most consumed drug globally.
| Characteristics | Values |
|---|---|
| Chemical Formula | CH3CH2OH, C2H6O, EtOH, C2H5OH |
| Molecular Structure | CH3−CH2−OH (an ethyl group linked to a hydroxyl group) |
| Composition | Two carbon atoms, five or six hydrogen atoms, and one atom of oxygen |
| State | Volatile, flammable, colourless liquid |
| Taste | Pungent |
| Odor | Slight |
| Flashpoint | 55°F |
| Type | Depressant drug, toxic when ingested in large quantities |
| Uses | Precursor for other organic compounds, universal solvent, fuel, antiseptic, disinfectant, solvent for medications, antidote for methanol and ethylene glycol poisoning, chemical solvent, synthesis of organic compounds |
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What You'll Learn
Ethyl alcohol is also known as ethanol
Ethyl alcohol, also known as ethanol, is an organic compound with the chemical formula CH3CH2OH. It is a colourless, flammable liquid with a pungent taste and a slight odour. It is the second most consumed drug globally, behind caffeine, and is the active ingredient in alcoholic beverages.
Ethanol is a 2-carbon alcohol, with its molecular formula also written as C2H6O or EtOH, where Et is the pseudoelement symbol for ethyl. It is a simple alcohol, consisting of a two-carbon chain with a hydroxyl group (OH) attached to the second carbon. The carbon of a methyl group (-CH3) is attached to the carbon of a methylene group (-CH2-), which is attached to the oxygen of a hydroxyl group (-OH). This hydroxyl group is a functional group consisting of one oxygen atom bonded to one hydrogen atom, and it is a key feature of alcohols. It is responsible for ethanol's physical properties, including its viscosity and solubility in water.
Ethanol was first synthetically prepared by Michael Faraday in 1825, who discovered that sulfuric acid could absorb large volumes of coal gas. The resulting solution was given to British chemist Henry Hennell, who found it contained "sulphovinic acid" (ethyl hydrogen sulfate). In 1828, Hennell and French chemist Georges-Simon Serullas independently discovered that sulphovinic acid could be decomposed into ethanol. In 1807 or 1808, Nicolas-Théodore de Saussure determined ethanol's chemical formula, and 50 years later, Archibald Scott Couper published the structural formula of ethanol.
Ethanol has a wide range of applications, including as a solvent, a fuel source, and in the synthesis of other organic compounds. It is considered a universal solvent due to its ability to dissolve both polar and nonpolar compounds. It is also used in the pharmaceutical industry as an antiseptic and in the extraction of botanical oils, such as cannabis oil. Additionally, ethanol is found in various products such as paints, tinctures, markers, personal care products, and preservatives for wet specimens.
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Its chemical formula is CH3CH2OH
The chemical formula for ethyl alcohol, also known as ethanol, is CH3CH2OH. This organic compound is commonly known as the alcohol found in alcoholic beverages. It is a colourless, flammable liquid with a pungent taste and a slight odour. Ethanol is created by the hydration of ethylene in the presence of a catalyst, such as sulfuric acid. It was first synthetically prepared by Michael Faraday in 1825, who discovered that sulfuric acid could absorb large volumes of coal gas.
The structure of the ethanol molecule, CH3−CH2−OH, indicates that the carbon of a methyl group is attached to the carbon of a methylene group, which is attached to the oxygen of a hydroxyl group. This hydroxyl group is a key feature of alcohols, allowing ethanol to function as a solvent. The hydroxyl group can form hydrogen bonds with water and other molecules, rendering ethanol more viscous and less volatile than similar compounds.
Ethanol has a variety of uses. It is commonly used as a solvent in the pharmaceutical industry, as well as in cosmetics and biotechnological industries. It is also used as an antiseptic, disinfectant, and in the synthesis of organic compounds. Due to its low boiling point, ethanol is easily removed from solutions, making it a popular extracting agent for botanical oils, such as cannabis oil.
Ethanol is also known as a universal solvent, as its molecular structure allows for the dissolving of both polar and nonpolar compounds. It is the second most consumed drug globally, after caffeine, and is considered a psychoactive depressant. It is naturally produced by the fermentation process of sugars by yeasts.
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Ethanol is a colourless, flammable liquid
Ethanol, also known as ethyl alcohol, is a colourless, flammable liquid. It is a simple alcohol and is the active ingredient in alcoholic beverages. It is created by the hydration of ethylene in the presence of a catalyst, such as sulfuric acid. French chemist Antoine Lavoisier described ethanol as a compound of carbon, hydrogen, and oxygen. In 1807 or 1808, Nicolas-Théodore de Saussure determined its chemical formula: C2H5OH or CH3CH2OH. The structural formula was published by Archibald Scott Couper in 1858.
Ethanol is an organic compound with two carbon atoms, five or six hydrogen atoms, and one oxygen atom per molecule. It is represented as EtOH, where Et is the pseudoelement symbol for ethyl. The carbon atoms in an ethanol molecule are sp3 hybridized, meaning they have free rotation. The molecule consists of a two-carbon chain with a hydroxyl group (OH) attached to the second carbon. This hydroxyl group is a key feature of alcohols and significantly affects ethanol's physical and chemical properties. It allows ethanol to participate in hydrogen bonding, making it more viscous and less volatile than other similar compounds.
Due to its molecular structure, ethanol is a universal solvent, able to dissolve both polar and nonpolar compounds. It is also used as a chemical solvent and in the synthesis of other organic compounds. Ethanol is found in various products, including paints, tinctures, markers, personal care products, and preservatives. It is used in the pharmaceutical industry as an antiseptic and in the extraction of botanical oils, such as cannabis oil.
Ethanol is flammable and burns with a smokeless blue flame. It is used as a fuel source for lamps, stoves, and internal combustion engines. As a psychoactive depressant, ethanol is the second most consumed drug globally, after caffeine. It is toxic when ingested in large quantities.
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It is the active ingredient in alcoholic beverages
Ethyl alcohol, also known as ethanol, has the condensed structural formula "\(\text{CH}_3\text{CH}_2\text{OH}\)". It is a 2-carbon alcohol with a hydroxyl group (OH) attached to the second carbon. Ethanol is a volatile, flammable, colourless liquid with a pungent taste.
Ethanol is the active ingredient in alcoholic beverages. It is a psychoactive depressant and is the second most consumed drug globally, after caffeine. Ethanol is produced naturally as a byproduct of the metabolic processes of yeast and is present in any yeast habitat, including endogenous human habitats. It can also be manufactured through the hydration of ethylene or by brewing via the fermentation of sugars with yeast. The sugars are commonly obtained from sources like steeped cereal grains (e.g. barley), grape juice, and sugarcane products (e.g. molasses, sugarcane juice).
The intoxicating effects of ethanol consumption have been known since ancient times. The ancient natural philosophers Aristotle, Theophrastus, and Pliny the Elder were all aware of the inflammable nature of the exhalations of wine. The fermentation of sugar into ethanol is one of the earliest biotechnologies employed by humans. Dried residue on 9,000-year-old pottery found in China suggests that Neolithic people consumed alcoholic beverages.
Ethanol is also widely used in other applications. It is used as a solvent for some medications and as an antidote for methanol poisoning and ethylene glycol poisoning. It is further used as a chemical solvent and in the synthesis of organic compounds. Ethanol is also used as a fuel source for lamps, stoves, and internal combustion engines. In laboratories, ethanol is sometimes used as a cooling bath to keep vessels at temperatures below the freezing point of water due to its low freezing point of −114 °C (−173 °F).
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Ethanol has many uses, including in the pharmaceutical industry
Ethanol, also known as ethyl alcohol, has the condensed structural formula "\(\text{CH}_3\text{CH}_2\text{OH}\)". It is a versatile chemical compound with a wide range of applications, including in the pharmaceutical industry.
In the pharmaceutical sector, ethanol is primarily used as a disinfectant and solvent due to its antimicrobial and antiviral properties. Its ability to kill bacteria, fungi, and viruses makes it an important ingredient in many pharmaceutical products, including medicines, vaccines, and disinfectants. Ethanol is also used as a preservative in pharmaceutical products, enhancing the stability and absorption of drugs like pain relievers and cough syrups.
Ethanol is a universal solvent, able to dissolve both polar, hydrophilic, and nonpolar, hydrophobic compounds. This property makes it useful in the pharmaceutical industry for dissolving active pharmaceutical ingredients, improving their effectiveness and ease of administration. It is also used as a solvent in the production of chemicals such as acetic acid, ethyl acetate, and ethylene.
Additionally, ethanol has medical applications as an antiseptic and an antidote for certain types of poisoning, such as methanol or ethylene glycol toxicity. It is also used as a sedative and in the synthesis of organic compounds.
Outside of the pharmaceutical industry, ethanol is widely recognized for its use in alcoholic beverages, where it is the active ingredient, producing intoxicating effects. It is also used in the cosmetics industry as a solvent and preservative, enhancing the absorption of active ingredients and reducing skin oiliness.
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Frequently asked questions
The condensed structural formula for ethyl alcohol, also known as ethanol, is CH3CH2OH.
Ethyl alcohol is an organic compound with a hydroxyl group. It is a colourless, flammable liquid with a pungent taste. It is the active ingredient in alcoholic beverages.
Ethyl alcohol has various uses. It is used in the pharmaceutical industry as an antiseptic and in the cosmetic and biotechnological industries. It is also used as a solvent and in the synthesis of organic compounds.
