thiacetic acid: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “thiacetic acid” mean?
An organic chemical compound containing sulfur, characterized by a strong, unpleasant odor, used primarily in synthetic organic chemistry.
Audio
Pronunciation
Definition
Meaning and Definition
An organic chemical compound containing sulfur, characterized by a strong, unpleasant odor, used primarily in synthetic organic chemistry.
It serves as a reagent for introducing thioacetyl groups or as a precursor to other thiol compounds. In broader contexts, it exemplifies a class of sulfur-containing carboxylic acids.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences. The compound name is standardized in international chemical nomenclature.
Connotations
None beyond its strict chemical meaning.
Frequency
Exclusively used within chemistry literature and laboratories in both regions with equal rarity.
Grammar
How to Use “thiacetic acid” in a Sentence
[Compound] is used to [verb] [chemical] (e.g., thioacetic acid is used to acylate amines).Vocabulary
Collocations
Examples
Examples of “thiacetic acid” in a Sentence
verb
British English
- The chemist will thioacetylate the substrate using thioacetic acid.
American English
- The researcher thiocarbonylated the alkene with thioacetic acid.
adverb
British English
- [Not applicable; the term is not used as an adverb.]
American English
- [Not applicable; the term is not used as an adverb.]
adjective
British English
- The thioacetic acid derivative was purified by column chromatography.
American English
- A thioacetic acid solution was prepared in anhydrous ether.
Usage
Meaning in Context
Business
Not used.
Academic
Used in advanced chemistry research papers and textbooks.
Everyday
Never used.
Technical
Core usage in synthetic organic chemistry protocols and chemical supply catalogs.
Vocabulary
Synonyms of “thiacetic acid”
Strong
Neutral
Weak
Vocabulary
Antonyms of “thiacetic acid”
Watch out
Common Mistakes When Using “thiacetic acid”
- Misspelling as 'thiacetic acid' (incorrect) instead of 'thioacetic acid'.
- Confusing it with the more common 'acetic acid'.
- Incorrect pronunciation stressing the second syllable (/θaɪˈoʊ.../) instead of the third (/...əˈsiːtɪk/).
FAQ
Frequently Asked Questions
Yes. It is corrosive, has a very offensive odor, and its vapours are irritating to the eyes and respiratory system. It must be handled in a fume hood with appropriate personal protective equipment.
Acetic acid (CH3COOH) contains an oxygen atom in its functional group, while thioacetic acid (CH3C(O)SH) has a sulfur atom replacing one of the oxygens, making it a thioester/thioacid.
No. It is a specialist laboratory chemical used in synthesis and is not found in consumer goods.
The prefix 'thio-' is the standard IUPAC designation for replacement of an oxygen atom by sulfur. 'Thia-' is used for different heterocyclic systems, making 'thioacetic' the correct form for this compound.
An organic chemical compound containing sulfur, characterized by a strong, unpleasant odor, used primarily in synthetic organic chemistry.
Thiacetic acid is usually technical/scientific in register.
Thiacetic acid: in British English it is pronounced /ˌθaɪəʊəˈsiːtɪk ˈæsɪd/, and in American English it is pronounced /ˌθaɪoʊəˈsitɪk ˈæsɪd/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None]”
Learning
Memory Aids
Mnemonic
Think 'Thio' for Sulfur + 'Acetic Acid' (vinegar's acid) = a sulfur version of acetic acid.
Conceptual Metaphor
[Not applicable for this highly technical term]
Practice
Quiz
What is the primary use of thioacetic acid in organic chemistry?