isopropanol
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Definition
- Noun:
- A type of alcohol used as an antifreeze or a solvent: Isopropanol is a clear, colorless, flammable liquid chemical compound. It is a secondary alcohol, often used for its disinfectant and cleaning properties, as well as in industrial processes.
Usage Examples
- Noun:
- The laboratory uses isopropanol to sterilize equipment.
- Isopropanol is a common ingredient in many rubbing alcohol formulations.
- As an antifreeze, isopropanol has a lower freezing point than water.
Advanced Usage
- Technical/Industrial Context: In chemistry and manufacturing, "isopropanol" specifically denotes the compound with the formula C₃H₈O (or (CH₃)₂CHOH). It is a key ingredient in pharmaceuticals, cosmetics, and as a chemical intermediate.
- The reaction requires anhydrous isopropanol as the solvent.
Variants and Related Words
- Isopropyl alcohol: This is the systematic name and a common synonym for isopropanol.
- Isopropyl alcohol is another term for isopropanol.
- Rubbing alcohol: A common household product that is typically a solution containing a high percentage of isopropanol (or sometimes ethanol) in water.
- Rubbing alcohol often contains 70% isopropanol.
Synonyms
- Isopropyl alcohol: The full chemical name.
- 2-propanol: The IUPAC (International Union of Pure and Applied Chemistry) name.
- Sec-propyl alcohol: An alternative name indicating its structure as a secondary alcohol.
Related Phrases and Compounds
- Isopropanol solution: A mixture of isopropanol with water or other substances.
- A 90% isopropanol solution is highly effective for disinfection.
- Anhydrous isopropanol: Isopropanol containing little to no water.
- The synthesis must be performed with anhydrous isopropanol.
Notes on Meaning
- The term "isopropanol" refers strictly to the specific chemical compound. It is not a general term for all alcohols or antifreezes. Its primary meanings are tied to its roles as a solvent, disinfectant, and antifreeze agent.
Noun
- alcohol used as antifreeze or a solvent