benzalacetone: meaning, definition, pronunciation and examples
C1/C2 (Advanced, Technical)Technical/Scientific
Quick answer
What does “benzalacetone” mean?
An organic chemical compound (C₁₀H₁₀O) that is an α,β-unsaturated ketone, serving as an important intermediate in organic synthesis and perfumery.
Audio
Pronunciation
Definition
Meaning and Definition
An organic chemical compound (C₁₀H₁₀O) that is an α,β-unsaturated ketone, serving as an important intermediate in organic synthesis and perfumery.
A pale yellow crystalline solid used as a flavoring agent, in fragrance manufacturing (for its floral, spicy aroma), and as a precursor for pharmaceuticals, sunscreens, and other fine chemicals.
Dialectal Variation
British vs American Usage
Differences
No significant spelling or usage differences. Pronunciation may show minor accent variation.
Connotations
Exclusively technical/scientific. No regional cultural connotations.
Frequency
Used with equal rarity and specificity in both academic and industrial chemistry contexts in all English-speaking regions.
Grammar
How to Use “benzalacetone” in a Sentence
[to synthesize] benzalacetone [from benzaldehyde and acetone]benzalacetone [acts as] [a Michael acceptor]Vocabulary
Collocations
Examples
Examples of “benzalacetone” in a Sentence
verb
British English
- The researchers benzalacetonated the mixture under reflux.
- One can benzalacetonate the aldehyde using standard conditions.
American English
- We need to benzalacetonate the precursor before the next step.
- The compound was benzalacetonated to yield the desired product.
adverb
British English
- The reaction proceeded benzalacetonely, as predicted.
- N/A - Extremely rare.
American English
- N/A - Not standard usage.
adjective
British English
- The benzalacetone solution exhibited strong UV absorption.
- We observed a typical benzalacetone derivative pattern.
American English
- The benzalacetone sample was ready for analysis.
- A benzalacetone-based fragrance was developed.
Usage
Meaning in Context
Business
Used in procurement specifications for chemical suppliers, in patents for fragrance or pharmaceutical compositions.
Academic
Frequent in organic chemistry textbooks, research papers on aldol condensation, and materials science.
Everyday
Virtually never used.
Technical
Core term in synthetic organic chemistry labs, perfumery formulation, and industrial chemical production reports.
Vocabulary
Synonyms of “benzalacetone”
Vocabulary
Antonyms of “benzalacetone”
Watch out
Common Mistakes When Using “benzalacetone”
- Misspelling as 'benzylacetone' (a different compound).
- Incorrect pluralization (it is typically uncountable as a substance).
- Mispronouncing the '-acetone' part as /əˈsiːtəʊn/ instead of /ˈæsɪtəʊn/.
FAQ
Frequently Asked Questions
Like many chemicals, it requires careful handling. It can be an irritant to skin, eyes, and respiratory system. Safety Data Sheets (SDS) must be consulted before use.
Yes, it occurs naturally in some plants and is a component of certain natural aromatic oils, contributing to sweet, floral notes.
Benzalacetone (C6H5-CH=CH-CO-CH3) has a carbon-carbon double bond next to the carbonyl. Acetophenone (C6H5-CO-CH3) does not; it is a simpler aromatic ketone.
It's a fundamental example of an α,β-unsaturated carbonyl compound, showcasing reactions like nucleophilic conjugate addition (the Michael reaction), making it a versatile building block.
An organic chemical compound (C₁₀H₁₀O) that is an α,β-unsaturated ketone, serving as an important intermediate in organic synthesis and perfumery.
Benzalacetone is usually technical/scientific in register.
Benzalacetone: in British English it is pronounced /ˌbɛnzælˈæsɪtəʊn/, and in American English it is pronounced /ˌbɛnzælˈæsɪtoʊn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “N/A”
Learning
Memory Aids
Mnemonic
Think: 'BENZAL'dehyde + ACETONE = BENZALACETONE. It's the 'child' of these two parent molecules.
Conceptual Metaphor
N/A. The term denotes a precise molecular structure, not a conceptual domain.
Practice
Quiz
What is the primary industrial use of benzalacetone?