propenal
Học thuậtThân thiện
Definition
- Noun:
- A pungent colorless unsaturated liquid aldehyde made from propene: Propenal is a specific chemical compound. It is an aldehyde, meaning it contains a carbonyl group (C=O) bonded to a hydrogen atom and an organic group. It is unsaturated, indicating the presence of a carbon-carbon double bond. It is derived from propene and is characterized by its strong, irritating odor and its liquid state at room temperature.
Usage
- Propenal is a technical term used primarily in scientific contexts, especially in chemistry and industrial manufacturing.
- It is used to name and describe the specific chemical compound with the formula C₃H₄O.
Examples
- Noun:
- Propenal is an important intermediate in the chemical industry.
- The sharp odor in the laboratory was identified as propenal.
- Researchers studied the polymerization of propenal.
Advanced Usage
- Systematic Name: Propenal is the IUPAC name for the compound more commonly known as acrolein. In advanced chemical discourse, "propenal" specifies the structure precisely: a three-carbon chain (prop-) with an aldehyde group (-al) and a double bond (-en-).
- Chemical Reactions: Propenal is highly reactive due to its conjugated system (the carbon-carbon double bond is adjacent to the carbonyl group). It readily undergoes addition and polymerization reactions.
Variants and Related Words
- Acrolein (n): The common name for propenal. This term is often used interchangeably in industrial and older chemical literature.
- Acrolein is used in the synthesis of some plastics.
- Aldehyde (n): The general class of organic compounds to which propenal belongs.
- Unsaturated compound (n): A broad category for organic compounds containing double or triple bonds, like propenal.
Synonyms
- Acrolein: This is the direct synonym and more frequently used common name for propenal.
Notes on Meaning
- Propenal has only one specific meaning as a chemical compound. It is not used in everyday language and does not have figurative meanings, idioms, or phrasal verbs associated with it.
Noun
- a pungent colorless unsaturated liquid aldehyde made from propene