Arielle Cruz
Ethyl alcohol, also known as ethanol, is a clear, colorless liquid with the chemical formula C₂H₅OH and the CAS (Chemical Abstracts Service) registry number 64-17-5. This unique identifier is used to ensure precision and consistency when referring to this specific compound in scientific, industrial, and regulatory contexts. Ethyl alcohol 64-17-5 is widely recognized for its versatility, serving as a key ingredient in beverages, a solvent in pharmaceuticals, a disinfectant in healthcare, and a biofuel in energy production. Its CAS number distinguishes it from other alcohols and chemical substances, facilitating accurate communication and safe handling across various applications.
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What You'll Learn
- CAS Number Identification: 64-17-5 is the unique CAS registry number for ethyl alcohol
- Chemical Formula: Ethyl alcohol’s molecular formula is C₂H₅OH, representing its structure
- Common Uses: Widely used in beverages, sanitizers, fuels, and industrial processes
- Physical Properties: Colorless liquid, flammable, with a distinct odor and taste
- Safety Information: Toxic in high doses; follow handling and storage guidelines carefully
CAS Number Identification: 64-17-5 is the unique CAS registry number for ethyl alcohol
The CAS Number Identification: 64-17-5 is the unique CAS registry number for ethyl alcohol, also known as ethanol. This number serves as a globally recognized identifier assigned by the Chemical Abstracts Service (CAS), a division of the American Chemical Society. The CAS registry system ensures that each chemical substance, regardless of its common or trade names, has a distinct and unambiguous identifier. For ethyl alcohol, the CAS number 64-17-5 is essential for precise communication in scientific, industrial, and regulatory contexts. This number eliminates confusion that might arise from using different names or synonyms for the same compound, such as alcohol, ethanol, or drinking alcohol.
When searching for what does ethyl alcohol 64-17-5 mean, understanding the significance of the CAS number is crucial. The identifier 64-17-5 specifically refers to the chemical formula C₂H₅OH, which represents ethyl alcohol. This compound is a clear, colorless liquid with a characteristic odor and is widely used in various applications, including as a solvent, fuel, disinfectant, and in the production of beverages. The CAS number 64-17-5 ensures that anyone referencing this substance, whether in research, manufacturing, or regulatory documentation, is referring to the exact same chemical entity.
In practical terms, the CAS Number Identification: 64-17-5 is the unique CAS registry number for ethyl alcohol is used in safety data sheets (SDS), chemical databases, and regulatory filings. For instance, when handling ethyl alcohol in a laboratory or industrial setting, the CAS number 64-17-5 is included in safety documentation to provide clear information about the substance's identity and properties. This is particularly important for compliance with health and safety regulations, as it helps in identifying potential hazards, proper storage, and handling procedures associated with ethyl alcohol.
Furthermore, the CAS number 64-17-5 plays a vital role in international trade and research. When importing or exporting ethyl alcohol, customs and regulatory agencies rely on this number to verify the substance's identity and ensure it meets legal and safety standards. In scientific research, the CAS number 64-17-5 is used to index and retrieve information about ethyl alcohol from databases, ensuring accuracy and consistency in chemical literature and studies.
In summary, CAS Number Identification: 64-17-5 is the unique CAS registry number for ethyl alcohol is a critical piece of information that provides a universal and unambiguous way to identify this widely used chemical. Whether in industrial applications, scientific research, or regulatory compliance, the CAS number 64-17-5 ensures clarity and precision in referencing ethyl alcohol, making it an indispensable tool in the chemical and related industries. Understanding this identifier is essential for anyone working with or studying ethyl alcohol, as it directly answers the question of what does ethyl alcohol 64-17-5 mean.
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Chemical Formula: Ethyl alcohol’s molecular formula is C₂H₅OH, representing its structure
The chemical formula for ethyl alcohol, also known as ethanol, is C₂H₅OH. This molecular formula is a concise representation of the substance's structure, providing a wealth of information about its composition and arrangement of atoms. In this formula, 'C' denotes carbon, 'H' represents hydrogen, and 'O' stands for oxygen. The subscripts indicate the number of each type of atom present in one molecule of ethyl alcohol. Therefore, C₂H₅OH tells us that each molecule consists of two carbon atoms, six hydrogen atoms (five in the alkyl group and one bonded to oxygen), and one oxygen atom. This simple yet powerful notation is the key to understanding the fundamental nature of this common alcohol.
Breaking down the formula, the 'C₂H₅' part represents the ethyl group, a common functional group in organic chemistry. It consists of two carbon atoms bonded together, with each carbon atom also bonded to three hydrogen atoms. This ethyl group is then attached to the oxygen atom, which is also bonded to a hydrogen atom, forming the hydroxyl group (-OH). This hydroxyl group is characteristic of alcohols and is responsible for many of ethanol's unique chemical properties, including its ability to form hydrogen bonds.
The molecular formula C₂H₅OH also implies a specific structural arrangement. The two carbon atoms form a chain, with the oxygen atom attached to one of the carbon atoms, creating a branched structure. This arrangement is crucial in determining the molecule's reactivity and its interactions with other substances. For instance, the presence of the hydroxyl group allows ethanol to engage in hydrogen bonding, making it a polar molecule and influencing its solubility in water.
Furthermore, this chemical formula is essential for identifying and distinguishing ethyl alcohol from other substances. The unique combination of elements and their ratios in C₂H₅OH ensures that it has distinct chemical properties compared to other alcohols or organic compounds. This formula serves as a fingerprint, allowing chemists and researchers to precisely identify and work with ethyl alcohol in various applications, from industrial processes to laboratory experiments.
In the context of the search query 'what does ethyl alcohol 64-17-5 mean,' the number 64-17-5 is the CAS (Chemical Abstracts Service) registry number, a unique identifier for this specific chemical substance. The molecular formula C₂H₅OH is intrinsically linked to this identifier, as it defines the exact composition and structure of the compound, ensuring that anyone referring to 64-17-5 knows precisely which chemical is being discussed. This formula is, therefore, a critical piece of information for anyone working with or studying ethyl alcohol.
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Common Uses: Widely used in beverages, sanitizers, fuels, and industrial processes
Ethyl alcohol, also known as ethanol and identified by the chemical identifier 64-17-5, is a versatile compound with a wide range of applications across various industries. One of its most well-known uses is in beverages, particularly in the production of alcoholic drinks. Ethanol is the primary alcohol found in beer, wine, and spirits, where it is produced through the fermentation of sugars by yeast. The concentration of ethanol in these beverages varies, with beer typically containing 4-6%, wine around 12-15%, and distilled spirits like vodka or whiskey reaching up to 40-50% alcohol by volume (ABV). Its role in beverages is not only to provide the intoxicating effect but also to contribute to flavor, aroma, and preservation.
In addition to its role in beverages, ethyl alcohol is a key ingredient in sanitizers and disinfectants. Its effectiveness in killing bacteria, viruses, and fungi makes it a staple in hand sanitizers, surface cleaners, and medical disinfectants. During the COVID-19 pandemic, the demand for ethanol-based hand sanitizers skyrocketed, highlighting its importance in maintaining hygiene and preventing the spread of infections. Ethanol works by denaturing proteins in microorganisms, rendering them inactive and unable to cause harm. It is often preferred over other disinfectants due to its safety profile when used as directed and its quick evaporation, leaving surfaces dry and residue-free.
Another significant application of ethyl alcohol is in fuels, where it serves as a renewable biofuel. Ethanol is commonly blended with gasoline to create gasohol, a fuel mixture that reduces greenhouse gas emissions and dependence on fossil fuels. In countries like Brazil and the United States, ethanol derived from sugarcane or corn is widely used as E85 (a blend of 85% ethanol and 15% gasoline) in flex-fuel vehicles. Its high octane rating improves engine performance, and its combustion produces fewer harmful pollutants compared to pure gasoline. However, the production and use of ethanol as a fuel remain subjects of debate due to concerns about land use, food security, and overall environmental impact.
In industrial processes, ethyl alcohol plays a critical role as a solvent, intermediate, and reagent. It is widely used in the pharmaceutical industry to manufacture drugs, as it can dissolve both polar and nonpolar substances, making it an excellent medium for chemical reactions. Additionally, ethanol is employed in the production of cosmetics, perfumes, and personal care products, where it acts as a preservative and solvent. Its ability to dissolve oils, resins, and other organic compounds also makes it valuable in the manufacturing of paints, coatings, and inks. Furthermore, ethanol is used as a cleaning agent in industries requiring high-purity surfaces, such as electronics manufacturing.
Beyond these applications, ethyl alcohol is utilized in food processing and as a preservative. It is added to extracts, flavorings, and certain food products to enhance flavor and extend shelf life by inhibiting microbial growth. For example, vanilla extract is typically made by infusing vanilla beans in a mixture of ethanol and water. In the medical field, ethanol is used as an antiseptic for skin preparation before injections or surgeries and as a preservative for biological specimens. Its versatility and effectiveness across so many domains underscore the importance of ethyl alcohol in modern society, making it an indispensable chemical compound.
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Physical Properties: Colorless liquid, flammable, with a distinct odor and taste
Ethyl alcohol, also known as ethanol, is a chemical compound with the molecular formula C₂H₅OH and the CAS (Chemical Abstracts Service) registry number 64-17-5. This identifier uniquely distinguishes ethanol from other substances in chemical databases. One of its most notable physical properties is that it exists as a colorless liquid under standard conditions. This clarity makes it visually indistinguishable from water, though its other properties set it apart. The colorless nature is due to its simple molecular structure, which does not absorb or reflect visible light in a way that produces color.
Ethanol is highly flammable, a critical property that makes it useful as a fuel but also requires careful handling. Its flammability is attributed to its low flash point, typically around 13°C (55°F), meaning it can ignite easily when exposed to an open flame or spark. This property is essential in applications like alcohol burners and as a component in gasoline blends, but it also necessitates proper storage and ventilation to prevent fire hazards. The flammability of ethanol is a direct result of its molecular structure, which allows it to react readily with oxygen.
Another defining physical property of ethanol is its distinct odor and taste. It has a characteristic sweet, pungent smell that is easily recognizable. This odor is often described as similar to that of ripe fruit or fermenting yeast, which is not surprising given its role in alcoholic beverages. The taste is similarly distinct, with a sweet yet biting flavor that can be unpleasant in high concentrations. These sensory properties are due to the interaction of ethanol molecules with olfactory and taste receptors in the human body.
The combination of these physical properties—being a colorless liquid, flammable, and having a distinct odor and taste—makes ethanol a versatile yet potentially hazardous substance. Its colorless nature requires careful labeling to avoid confusion with water, while its flammability demands strict safety protocols. The odor and taste, while useful in identifying it, also serve as a warning of its presence, particularly in industrial or laboratory settings. Understanding these properties is essential for anyone working with or around ethanol, whether in scientific research, manufacturing, or everyday applications.
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Safety Information: Toxic in high doses; follow handling and storage guidelines carefully
Ethyl alcohol, also known as ethanol, with the chemical identifier 64-17-5, is a widely used substance in various industries, including pharmaceuticals, cosmetics, and beverages. While it is a common and versatile compound, it is crucial to understand that ethyl alcohol is toxic in high doses. Ingesting large amounts can lead to severe health risks, including respiratory depression, coma, and even death. Therefore, it is imperative to handle and use this substance with utmost caution, adhering strictly to safety guidelines to minimize risks.
When working with ethyl alcohol, proper handling is essential to prevent exposure and accidents. Always wear appropriate personal protective equipment (PPE), such as gloves, safety goggles, and lab coats, to avoid skin and eye contact. Ethanol is highly flammable, so ensure it is used in well-ventilated areas away from open flames, sparks, or heat sources. In case of spills, clean them immediately using absorbent materials and dispose of them according to local regulations. Never return spilled ethanol to its original container, as it may be contaminated.
Storage of ethyl alcohol must be managed carefully to prevent hazards. Store it in a cool, dry, and well-ventilated area, away from incompatible substances like oxidizing agents and strong acids. Use tightly sealed, labeled containers made of materials resistant to ethanol, such as glass or certain plastics. Keep containers upright to avoid leaks, and ensure they are stored out of reach of children or unauthorized personnel. Regularly inspect storage areas for signs of damage or leakage to address issues promptly.
In industrial or laboratory settings, follow established safety protocols and training procedures when using ethyl alcohol. Ensure all personnel are educated on its hazards, proper handling techniques, and emergency response measures. Maintain safety data sheets (SDS) on-site and readily accessible, providing detailed information on first aid, fire-fighting measures, and exposure controls. Implement engineering controls, such as fume hoods or ventilation systems, to minimize inhalation risks during use.
Finally, be prepared for emergencies related to ethyl alcohol exposure or accidents. In case of ingestion, seek immediate medical attention and provide relevant information to healthcare providers. For skin or eye contact, rinse the affected area thoroughly with water for at least 15 minutes. If inhaled, move the person to fresh air and monitor for symptoms of toxicity. Familiarize yourself with the location and use of emergency equipment, such as eyewash stations and fire extinguishers, to respond swiftly and effectively. By following these guidelines, you can ensure the safe handling and storage of ethyl alcohol, mitigating its potential risks.
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Frequently asked questions
Ethyl alcohol 64-17-5 refers to the Chemical Abstracts Service (CAS) registry number for ethanol, a type of alcohol commonly used in various applications, including as a solvent, fuel, and in beverages.
The CAS number 64-17-5 is a unique identifier assigned to ethyl alcohol by the Chemical Abstracts Service, a division of the American Chemical Society, to provide a standardized way to identify and track chemicals across various databases and scientific literature.
Yes, ethyl alcohol 64-17-5 is the same chemical compound found in alcoholic beverages, but the term typically refers to its use in industrial or laboratory settings, where it may be denatured or have different purity levels compared to drinking alcohol.
