thiophenol: meaning, definition, pronunciation and examples

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UK/ˌθaɪəʊˈfiːnɒl/US/ˌθaɪoʊˈfiːnɑːl/

Technical/Scientific

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Quick answer

What does “thiophenol” mean?

An organosulfur compound consisting of a phenyl group bonded to a thiol (sulfur-hydrogen) group, with the formula C6H5SH.

Audio

Pronunciation

Definition

Meaning and Definition

An organosulfur compound consisting of a phenyl group bonded to a thiol (sulfur-hydrogen) group, with the formula C6H5SH.

It is the simplest aromatic thiol, a foul-smelling liquid used as a building block and reagent in organic chemistry, particularly in the synthesis of pharmaceuticals, agrochemicals, and materials.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or spelling differences. Pronunciation of the initial 'th' may vary slightly (see IPA).

Connotations

None beyond its technical definition.

Frequency

Used exclusively in chemistry contexts in both varieties with identical frequency.

Grammar

How to Use “thiophenol” in a Sentence

Thiophenol is [verb, e.g., *added, used, formed*] as a [noun, e.g., *reagent, precursor, ligand*].

Vocabulary

Collocations

strong
synthesis ofderivatives ofreaction withsolution of
medium
aromaticvolatilemalodorousthiol
weak
pureliquidcommercialsample

Usage

Meaning in Context

Business

Almost never used, except in highly specialized chemical manufacturing or pharmaceutical R&D reports.

Academic

Used in research papers, textbooks, and lectures within organic chemistry, chemical engineering, and materials science.

Everyday

Virtually never used in everyday conversation.

Technical

The primary domain of use. Appears in synthetic protocols, chemical safety data sheets, and patents.

Vocabulary

Synonyms of “thiophenol”

Strong

N/A

Neutral

benzenethiolphenyl mercaptan

Weak

aromatic thiol (broader class)

Vocabulary

Antonyms of “thiophenol”

N/A

Watch out

Common Mistakes When Using “thiophenol”

  • Mispronunciation: stressing the first syllable (THIO-phenol) is incorrect. The stress is on the third syllable: thio-phe-NOL.
  • Misspelling as 'thiopenol' or 'thiophenole'.

FAQ

Frequently Asked Questions

Yes. It is toxic, flammable, and has a very offensive, pervasive odour. It requires strict safety protocols including use of a fume hood and proper personal protective equipment.

It is described as having a intensely foul, putrid, garlic-like or rotten cabbage smell, characteristic of many low-molecular-weight thiols.

Yes, they are exact synonyms. 'Benzenethiol' is also synonymous. 'Mercaptan' is an older term for thiol.

Primarily in fine chemical and pharmaceutical research and manufacturing, where it serves as a versatile intermediate for creating sulfur-containing compounds.

An organosulfur compound consisting of a phenyl group bonded to a thiol (sulfur-hydrogen) group, with the formula C6H5SH.

Thiophenol is usually technical/scientific in register.

Thiophenol: in British English it is pronounced /ˌθaɪəʊˈfiːnɒl/, and in American English it is pronounced /ˌθaɪoʊˈfiːnɑːl/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • N/A

Learning

Memory Aids

Mnemonic

Think: 'Thio' for sulfur (like in 'thiamine') + 'phenol' (a benzene ring with an OH group). It's the smelly sulfur version of phenol.

Conceptual Metaphor

N/A

Practice

Quiz

Fill in the gap
Due to its unpleasant odour, must be handled in a fume cupboard.
Multiple Choice

What is the primary functional group in thiophenol?