crotonic acid: meaning, definition, pronunciation and examples
Very Rare (Scientific/Technical)Exclusively Technical/Scientific
Quick answer
What does “crotonic acid” mean?
An unsaturated organic carboxylic acid with the formula CH3CH=CHCOOH, used in the manufacture of resins and pharmaceuticals.
Audio
Pronunciation
Definition
Meaning and Definition
An unsaturated organic carboxylic acid with the formula CH3CH=CHCOOH, used in the manufacture of resins and pharmaceuticals.
Specifically refers to the trans-isomer (E-crotonic acid), a crystalline solid at room temperature, which serves as an intermediate in chemical synthesis, particularly for polymers and fine chemicals.
Dialectal Variation
British vs American Usage
Differences
No notable differences in meaning or spelling. Pronunciation may have slight variation in stress or vowel quality.
Connotations
None beyond its strict scientific definition.
Frequency
Extremely rare in all non-scientific contexts. Usage frequency is identical and confined to chemistry-related fields.
Grammar
How to Use “crotonic acid” in a Sentence
[crotonic acid] + [verb: is, was, forms, yields, reacts][verb: Synthesize, Prepare, Isolate, Convert] + [crotonic acid][crotonic acid] + [preposition: with, from, into]Vocabulary
Collocations
Examples
Examples of “crotonic acid” in a Sentence
adjective
British English
- The crotonic acid derivative showed promising activity.
- We need a crotonic acid source for the reaction.
American English
- The crotonic acid moiety is essential for binding.
- A crotonic acid-based polymer was synthesized.
Usage
Meaning in Context
Business
Not used. May appear in procurement specifications for chemical raw materials.
Academic
Used in chemistry, biochemistry, and chemical engineering research papers and textbooks.
Everyday
Virtually never used.
Technical
Core usage. Found in patents, chemical safety sheets (SDS), synthetic protocols, and industrial process descriptions.
Vocabulary
Synonyms of “crotonic acid”
Neutral
Weak
Watch out
Common Mistakes When Using “crotonic acid”
- Misspelling as 'crotonnic acid' (double n).
- Confusing it with its cis-isomer (isocrotonic acid).
- Using it as a general term for any acid from croton oil.
- Incorrect stress: pronouncing it as 'CROT-on-ic' instead of 'cro-TON-ic'.
FAQ
Frequently Asked Questions
Yes, like many concentrated acids, it can be corrosive and cause skin and eye irritation. Always consult its Safety Data Sheet (SDS) and handle with appropriate personal protective equipment.
Its primary use is as a chemical intermediate. It is used in the production of certain resins, polymers, pharmaceuticals, and herbicides.
Crotonic acid (C4H6O2) has a four-carbon chain with a double bond between the second and third carbons. Acrylic acid (C3H4O2) has a three-carbon chain with a double bond between the first and second carbons. They have different chemical and physical properties.
It is extremely unlikely. You would not encounter pure crotonic acid. You might encounter trace amounts or derivatives in very specific industrial products like specialized paints or adhesives, but not in common household items.
An unsaturated organic carboxylic acid with the formula CH3CH=CHCOOH, used in the manufacture of resins and pharmaceuticals.
Crotonic acid is usually exclusively technical/scientific in register.
Crotonic acid: in British English it is pronounced /krəʊˈtɒnɪk ˈasɪd/, and in American English it is pronounced /kroʊˈtɑːnɪk ˈæsɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a **CRO**codile with a **TON**ic (acid) - a CRO-TON-IC ACID. The crocodile's skin is tough like the polymer resins this acid helps make.
Conceptual Metaphor
A CHEMICAL BUILDING BLOCK (a fundamental piece used to construct more complex molecules).
Practice
Quiz
Crotonic acid is best described as: