Theo Nash
Ethyl tert-butyl alcohol, also known as tert-amyl alcohol, is an organic compound with the molecular formula C5H12O. It is a colorless liquid that is miscible with water and has a characteristic odor. This alcohol is used as a solvent in various industrial applications, including the production of pharmaceuticals, agrochemicals, and polymers. Additionally, it serves as an intermediate in organic synthesis and is a component in some fuel additives. Ethyl tert-butyl alcohol is known for its relatively low volatility and high boiling point compared to other alcohols, making it a useful solvent for reactions that require heating.
| Characteristics | Values |
|---|---|
| Chemical Name | Ethyl tert-butyl alcohol |
| Molecular Formula | C6H14O |
| CAS Number | 1634-04-4 |
| Appearance | Colorless liquid |
| Odor | Ethanol-like |
| Boiling Point | 118.3°C (244.9°F) |
| Flash Point | 27.8°C (82°F) |
| Density | 0.789 g/cm³ |
| Solubility | Miscible with water, ethanol, and ether |
| Uses | Solvent, intermediate in organic synthesis |
| Hazards | Flammable, may cause eye and skin irritation |
| Storage | Store in a cool, dry place away from ignition sources |
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What You'll Learn
- Chemical Structure: Ethyl tert-butyl alcohol, also known as tert-amyl alcohol, has the molecular formula C5H12O
- Physical Properties: It is a colorless liquid with a characteristic odor, boiling at approximately 82°C and having a density of about 0.79 g/cm³
- Uses and Applications: This compound is used as a solvent in various industrial processes, including the manufacture of pharmaceuticals and as a cleaning agent
- Safety Information: Ethyl tert-butyl alcohol is flammable and can cause irritation to the skin, eyes, and respiratory system. Proper safety measures should be taken when handling it
- Synthesis: It can be synthesized through the reaction of tert-butyl chloride with ethanol in the presence of a catalyst, such as zinc chloride
Chemical Structure: Ethyl tert-butyl alcohol, also known as tert-amyl alcohol, has the molecular formula C5H12O
Ethyl tert-butyl alcohol, also known as tert-amyl alcohol, is an organic compound with the molecular formula C5H12O. This alcohol is a clear, colorless liquid that is commonly used as a solvent in various industrial and laboratory applications. The structure of ethyl tert-butyl alcohol is characterized by a tert-butyl group (a branched alkyl group with three methyl groups attached to a central carbon atom) connected to an ethanol molecule (CH3CH2OH).
The molecular structure of ethyl tert-butyl alcohol can be broken down into two main parts: the tert-butyl group and the ethanol group. The tert-butyl group is a bulky, branched alkyl group that provides the compound with its unique properties. The ethanol group, on the other hand, is a simple alcohol functional group that is responsible for the compound's solubility in water and other polar solvents.
Ethyl tert-butyl alcohol is known for its high boiling point (102°C) and low volatility, making it a suitable solvent for reactions that require high temperatures or involve volatile reactants. It is also a good solvent for a wide range of organic compounds, including oils, fats, and waxes. In addition, ethyl tert-butyl alcohol is used as a cleaning agent and as a solvent in the manufacture of pharmaceuticals and other chemicals.
One of the unique properties of ethyl tert-butyl alcohol is its ability to dissolve a wide range of organic compounds, including those that are insoluble in water or other polar solvents. This makes it a valuable tool in organic synthesis and purification processes. Additionally, ethyl tert-butyl alcohol is relatively non-toxic and has a low risk of flammability, making it a safer alternative to other solvents.
In summary, ethyl tert-butyl alcohol is a versatile and valuable organic compound with a unique molecular structure that provides it with a range of useful properties. Its high boiling point, low volatility, and ability to dissolve a wide range of organic compounds make it a popular choice for a variety of industrial and laboratory applications.
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$33.79
Physical Properties: It is a colorless liquid with a characteristic odor, boiling at approximately 82°C and having a density of about 0.79 g/cm³
Ethyl tert-butyl alcohol, also known as ETBE, is a colorless liquid with a characteristic odor. This organic compound has a boiling point of approximately 82°C, which is relatively low compared to other alcohols. Its density is about 0.79 g/cm³, making it less dense than water. These physical properties are crucial for understanding the behavior and applications of ETBE in various industries.
The low boiling point of ETBE makes it a volatile compound, which means it can easily evaporate at room temperature. This property is important for its use as a solvent in chemical reactions, as it can help to dissolve other substances and facilitate the reaction process. Additionally, the volatility of ETBE makes it a useful component in the production of aerosols and spray paints, where it acts as a propellant.
The density of ETBE, being lower than that of water, affects its miscibility with other liquids. It is partially miscible with water, meaning it can mix with water to some extent, but it will eventually separate into two distinct layers. This property is important for its use in extractions and separations in chemical processes. ETBE's lower density also means that it will float on water, which can be a consideration in handling and storage.
The characteristic odor of ETBE is another important physical property. This odor can be described as sweet and fruity, and it is often used as a fragrance in various consumer products. The odor can also serve as an indicator of the presence of ETBE in a substance, which can be useful for quality control and safety purposes.
In summary, the physical properties of ethyl tert-butyl alcohol, including its colorless appearance, characteristic odor, low boiling point, and low density, make it a versatile compound with a range of applications in different industries. These properties influence its behavior in chemical reactions, its miscibility with other liquids, and its use in consumer products.
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Uses and Applications: This compound is used as a solvent in various industrial processes, including the manufacture of pharmaceuticals and as a cleaning agent
Ethyl tert-butyl alcohol, also known as tert-amyl alcohol, is a versatile solvent with a wide range of applications in various industries. One of its primary uses is in the pharmaceutical industry, where it serves as a solvent for the synthesis of various drugs and medications. Its ability to dissolve a wide range of organic compounds makes it an ideal choice for this purpose.
In addition to its use in pharmaceuticals, ethyl tert-butyl alcohol is also commonly used as a cleaning agent. Its effectiveness in removing grease, oil, and other stubborn residues makes it a popular choice for industrial cleaning applications. It is often used in the formulation of cleaning products such as degreasers, solvents, and surface cleaners.
Another significant application of ethyl tert-butyl alcohol is in the electronics industry. It is used as a cleaning solvent for electronic components and circuit boards, helping to remove flux residues and other contaminants that can affect the performance of electronic devices. Its low boiling point and high evaporation rate make it an efficient cleaning agent that can be easily removed from the cleaned surfaces.
Ethyl tert-butyl alcohol is also used in the formulation of various consumer products, such as cosmetics, personal care items, and fragrances. Its ability to dissolve essential oils and other ingredients makes it a valuable component in the creation of these products. Additionally, it is used as a solvent in the production of adhesives, coatings, and other industrial chemicals.
Overall, the versatility and effectiveness of ethyl tert-butyl alcohol as a solvent make it a valuable compound with a wide range of applications across various industries. Its ability to dissolve a diverse array of organic compounds, combined with its low toxicity and high evaporation rate, make it an ideal choice for many industrial and consumer applications.
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Safety Information: Ethyl tert-butyl alcohol is flammable and can cause irritation to the skin, eyes, and respiratory system. Proper safety measures should be taken when handling it
Ethyl tert-butyl alcohol, commonly known as ETBE, is a colorless liquid with a characteristic odor. It is widely used as a solvent in various industrial applications and as an additive in gasoline to improve engine performance. However, ETBE poses significant safety risks due to its flammable nature and potential to cause irritation to the skin, eyes, and respiratory system.
When handling ETBE, it is crucial to take proper safety measures to prevent accidents and health hazards. One of the primary precautions is to store ETBE in a cool, dry, and well-ventilated area away from sources of ignition, such as flames, sparks, or hot surfaces. It should be kept in tightly sealed containers to prevent evaporation and the release of harmful vapors.
Personal protective equipment (PPE) is essential when working with ETBE. This includes wearing gloves to protect the skin from direct contact, safety goggles to shield the eyes from splashes or vapors, and a respirator or mask to filter out harmful fumes. It is also advisable to wear long-sleeved clothing and closed-toe shoes to minimize skin exposure.
In case of accidental ingestion or inhalation of ETBE vapors, it is important to seek immediate medical attention. Symptoms of exposure may include dizziness, headache, nausea, vomiting, and respiratory irritation. Prolonged or repeated exposure can lead to more severe health effects, such as liver and kidney damage, so it is crucial to handle ETBE with care and follow all safety guidelines.
Proper disposal of ETBE is also critical to prevent environmental contamination. It should be disposed of in accordance with local regulations and guidelines, typically through a licensed hazardous waste disposal facility. Improper disposal can lead to soil and water pollution, posing risks to both human health and the environment.
In summary, ethyl tert-butyl alcohol is a versatile but potentially hazardous substance that requires careful handling and adherence to safety protocols. By taking the necessary precautions and being aware of the risks, individuals can safely work with ETBE and minimize the potential for accidents and health issues.
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Synthesis: It can be synthesized through the reaction of tert-butyl chloride with ethanol in the presence of a catalyst, such as zinc chloride
The synthesis of ethyl tert-butyl alcohol involves a nucleophilic substitution reaction where tert-butyl chloride reacts with ethanol in the presence of a catalyst, such as zinc chloride. This reaction is an example of an SN1 (substitution nucleophilic unimolecular) reaction, which proceeds through the formation of a carbocation intermediate. The tert-butyl group is a bulky substituent, which makes the reaction more favorable as it increases the stability of the carbocation formed.
The reaction mechanism begins with the ionization of tert-butyl chloride in the presence of zinc chloride, which acts as a Lewis acid and helps to stabilize the carbocation. The ethanol molecule then acts as a nucleophile, attacking the carbocation and displacing the chloride ion. This results in the formation of ethyl tert-butyl alcohol and hydrochloric acid as a byproduct.
The synthesis reaction can be carried out in a laboratory setting using standard glassware and equipment. The reactants are typically mixed in a round-bottom flask, and the mixture is heated to reflux for a period of time to ensure complete reaction. After the reaction is complete, the mixture is cooled and the product is isolated using techniques such as distillation or chromatography.
One important consideration in the synthesis of ethyl tert-butyl alcohol is the choice of catalyst. Zinc chloride is commonly used due to its effectiveness and relatively low cost. However, other catalysts such as aluminum chloride or tin(IV) chloride can also be used. The choice of catalyst may affect the reaction rate and yield, so it is important to select the most appropriate catalyst for the specific reaction conditions.
In addition to its use in organic synthesis, ethyl tert-butyl alcohol has a variety of applications in industry and commerce. It is used as a solvent in the production of pharmaceuticals, as well as in the manufacture of perfumes and flavorings. It is also used as a fuel additive to improve the octane rating of gasoline.
Overall, the synthesis of ethyl tert-butyl alcohol through the reaction of tert-butyl chloride with ethanol in the presence of a catalyst is a well-established and widely used method in organic chemistry. The reaction is relatively straightforward and can be easily scaled up for industrial production.
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Frequently asked questions
Ethyl tert-butyl alcohol, also known as ETBA, is an organic compound with the molecular formula C6H14O. It is a colorless liquid that is used as a solvent and in the synthesis of other chemicals.
Ethyl tert-butyl alcohol is primarily used as a solvent in various industrial and laboratory applications. It is also used in the synthesis of pharmaceuticals, agrochemicals, and other organic compounds. Additionally, it can serve as a fuel additive and a cleaning agent.
When handling ethyl tert-butyl alcohol, it is important to wear appropriate personal protective equipment (PPE), such as gloves and safety glasses, to prevent skin and eye contact. It should be used in a well-ventilated area to avoid inhalation of vapors. ETBA is flammable, so it should be kept away from open flames and sources of ignition. In case of accidental ingestion, medical attention should be sought immediately.
