Arielle Cruz
Isopropyl alcohol, also known as isopropanol, dimethyl carbinol, or rubbing alcohol, is a colourless, flammable liquid with the chemical formula C3H8O. It is widely used in solvent applications and as an antiseptic. Isopropyl alcohol is poisonous if ingested and can cause vomiting, diarrhoea, and bleeding if consumed in large quantities. It is also used in the manufacture of industrial and household chemicals, including antiseptics, disinfectants, and detergents.
| Characteristics | Values |
|---|---|
| Name | Isopropyl Alcohol |
| Formula | C3H8O |
| Molecular Weight | 60.0950 |
| IUPAC Standard InChI | InChI=1S/C3H8O/c1-3(2)4/h3-4H,1-2H3 |
| IUPAC Standard InChIKey | KFZMGEQAYNKOFK-UHFFFAOYSA-N |
| CAS Registry Number | 67-63-0 |
| Colour | Colourless |
| State of Matter | Liquid |
| Flammability | Flammable |
| Solvent | Yes |
| Use | Widely used as a solvent, in cosmetics, medicines, shellacs, and gums, as well as for the denaturation of ethanol |
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What You'll Learn
Isopropyl alcohol is a colourless, flammable liquid
Isopropyl alcohol, also known as isopropanol, n-propanol, or dimethylcarbinol, is a colourless, flammable liquid. It has the chemical formula C3H8O and is a simple example of a secondary alcohol. Isopropyl alcohol is a polar organic molecule with a pungent odour and a slightly bitter taste. It is miscible in water, ethanol, and chloroform, demonstrating its ability to dissolve a wide range of substances, including ethyl cellulose, polyvinyl butyral, oils, alkaloids, and natural resins.
The liquid is widely used in solvent applications, such as in the production of cosmetics, medicines, shellacs, and gums. It is also used as an antiseptic rubbing alcohol and in hand sanitisers, detergents, and disinfectants. Isopropyl alcohol serves as a cheap solvent and can be used to denature ethanol. It is often listed as an ingredient in windshield washer fluids and nail polish removers.
Isopropyl alcohol is highly flammable and poses safety risks. Its vapour is denser than air, and it has a flammability range of 2% to 12.7% in the air. It should be kept away from heat, sparks, and open flames. The liquid can react with air and oxygen over time to form unstable peroxides that may explode. Distillation over magnesium can also lead to the formation of explosive peroxides.
Isopropyl alcohol poses health risks and is toxic when ingested. It can irritate the eyes, nose, throat, and skin, and it can cause drowsiness, dizziness, headaches, and dry skin. Ingesting large amounts can lead to vomiting, diarrhoea, pain, bleeding, low blood pressure, shock, coma, and even death. Inhalation of the rubbing alcohol form can also be harmful.
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It is also known as isopropanol or rubbing alcohol
Isopropyl alcohol, also known as isopropanol or rubbing alcohol, is a colourless, flammable liquid with the formula C3H8O. It is composed of propylene gas and is similar to synthetic ethyl alcohol. However, it is poisonous if ingested.
Isopropanol is widely used in solvent applications and was one of the first petrochemical products to be manufactured in 1920. It is commonly used in industry as a cheap solvent for cosmetics, medicines, shellacs, and gums, as well as for the denaturation of ethanol. It is also a main ingredient in rubbing alcohol.
Rubbing alcohol, on the other hand, is a diluted form of isopropyl alcohol, containing approximately 68-72% alcohol by volume. The rest consists of water, colour additives, oils, and denaturants. It is commonly used in homes and first aid as an antiseptic to clean cuts and scrapes, lower the risk of infection, and relieve muscle aches.
While isopropyl alcohol and rubbing alcohol share similar properties, they are not interchangeable. Isopropyl alcohol is pure alcohol and more concentrated, making it hazardous for direct use on the skin or for disinfecting homes. In contrast, rubbing alcohol is intended for at-home use due to its diluted nature.
It is important to note that isopropanol, or isopropyl alcohol, can be harmful if inhaled or ingested. It can cause irritation to the skin and eyes, and if ingested, can lead to vomiting, diarrhoea, pain, bleeding, low blood pressure, fatigue, shock, and even coma. Therefore, it should not be applied to the skin or inhaled, and proper ventilation is crucial when using these products.
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It is poisonous if ingested
The chemical compound C3H8O refers to propanol, a colourless, flammable liquid with a characteristic odour. Propanol is also known as propyl alcohol or n-propyl alcohol and is considered an impurity in many alcohols. While it has industrial applications, it is primarily used as a solvent and intermediate in chemical synthesis.
Propanol, with the chemical formula C3H8O, is indeed poisonous if ingested. It is a central nervous system depressant and can cause a range of adverse effects, including dizziness, headaches, nausea, and vomiting. In more severe cases, ingestion can lead to respiratory failure, coma, and even death. The toxicity arises from the metabolism of propanol in the body, which produces toxic by-products that interfere with normal cellular function.
The toxicity of propanol is dependent on the amount ingested and the individual's overall health and body weight. A small amount may only cause mild symptoms or none at all, but a larger dose can have severe consequences. Propanol is rapidly absorbed through the gastrointestinal tract, so symptoms typically manifest quickly after ingestion.
Propanol poisoning requires immediate medical attention. Treatment often involves supportive care, ensuring the individual's airways are clear and breathing is maintained. Fluids may be administered intravenously, and in severe cases, dialysis may be necessary to support kidney function. The goal of treatment is to limit the absorption of the toxin, enhance its elimination from the body, and manage any complications that arise.
It is crucial to emphasize that propanol should be handled with caution and only used for its intended purposes. It is not meant for consumption and can lead to severe health issues if ingested. Proper storage and disposal of this chemical are essential to prevent accidental poisoning.
Additionally, it is worth noting that propanol is sometimes present in alcoholic beverages as an impurity, especially in spirits. However, the concentration is typically low, and the toxic effects are mainly associated with direct ingestion of the pure compound or exposure through other means, such as inhalation or skin contact.
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It is widely used as a solvent
The chemical compound C3H8O refers to isopropyl alcohol, also known as isopropanol, n-propanol, or dimethylcarbinol. It is a colourless, flammable liquid with a pungent odour.
Isopropyl alcohol is indeed widely used as a solvent in various applications due to its ability to dissolve a wide range of substances. It is commonly employed in industrial processes and has a variety of uses in different sectors.
In the pharmaceutical industry, isopropyl alcohol is a popular solvent choice due to its low toxicity. It is used as a solvent for medicines, cosmetics, shellacs, gums, and the denaturation of ethanol. It is also a common ingredient in antiseptics, disinfectants, hand sanitisers, detergents, and aftershave lotions. Additionally, it serves as a chemical intermediate in the production of other chemicals.
In industrial applications, isopropyl alcohol is used as a solvent for coatings, paints, varnishes, cements, and primers. It is particularly useful for dissolving oils and oil-based residues, making it ideal for cleaning surfaces with oil contamination. Its quick evaporation and lack of oil traces left behind are advantageous in such applications.
Isopropyl alcohol is also used in household products, such as windshield washer fluids, nail polish removers, and detergents. Its ability to dissolve substances like ethyl cellulose, polyvinyl butyral, oils, alkaloids, and natural resins makes it a versatile solvent for various household applications.
Furthermore, isopropyl alcohol is used in chemical reactions and processes. It serves as a solvent and hydride source in the Meerwein-Ponndorf-Verley reduction and other transfer hydrogenation reactions. It can undergo various reactions to form compounds like isopropoxides and titanium isopropoxide, which have their own applications as catalysts or chemical reagents.
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It has a molar mass of 60.1 g/mol
The chemical compound with the formula C3H8O is isopropyl alcohol, also known as isopropanol, n-propanol, or dimethylcarbinol. It is a colourless and flammable liquid with a molar mass of 60.1 g/mol. Isopropyl alcohol is widely used as a solvent in various applications, including cosmetics, medicines, shellacs, and gums. It is also used in denaturation of ethanol (ethyl alcohol).
Isopropyl alcohol has a similar structure to synthetic ethyl alcohol but is poisonous if ingested. It can cause vomiting, diarrhoea, pain, bleeding, low blood pressure, fatigue, shock, and coma. When combined with water, it is used as an antiseptic rubbing alcohol and in aftershave lotions.
The molar mass of a chemical compound is calculated by summing the atomic weights of each element in the compound's formula. In the case of isopropyl alcohol (C3H8O), the molar mass is calculated as follows:
Mr (C3H8O) = 3 · Ar (C) + 8 · Ar (H) + Ar (O)
By substituting the atomic weights of carbon (Ar(C) = 12), hydrogen (Ar(H) = 1), and oxygen (Ar(O) = 16), we get:
Mr (C3H8O) = 3 · 12 + 8 · 1 + 16 = 36 + 8 + 16 = 60
Therefore, the molar mass of isopropyl alcohol (C3H8O) is approximately 60 g/mol, which can be rounded to 60.1 g/mol.
Molar mass, also known as molecular weight, represents the mass of one mole of a substance and is used to determine the mass of a specific molecule or compound. It is an essential concept in chemistry for understanding the properties and behaviour of chemical compounds.
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Frequently asked questions
The alcohol with the molecular formula C3H8O is called isopropyl alcohol, also known as isopropanol, dimethyl carbinol, or rubbing alcohol.
Isopropyl alcohol is a colourless, flammable liquid with a strong odour. It is widely used as a solvent in industrial and household applications, such as antiseptics, disinfectants, cosmetics, medicines, shellacs, and detergents.
No, ingesting isopropyl alcohol is poisonous and can cause vomiting, diarrhoea, pain, bleeding, low blood pressure, fatigue, shock, and coma. It is also harmful if inhaled.
Isopropyl alcohol can be purchased from drug stores, grocery stores, and online retailers. It is typically sold in concentrations ranging from 70% to 99%, with 70% being the most common concentration.
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