chlorosulfonic acid: meaning, definition, pronunciation and examples
Very lowTechnical/Scientific
Quick answer
What does “chlorosulfonic acid” mean?
A highly corrosive and reactive chemical compound with the formula HSO3Cl, used as a sulfonating agent in organic synthesis.
Audio
Pronunciation
Definition
Meaning and Definition
A highly corrosive and reactive chemical compound with the formula HSO3Cl, used as a sulfonating agent in organic synthesis.
A dense, colorless to pale yellow liquid that fumes in moist air, primarily employed in industrial chemistry for introducing sulfonic acid groups into molecules or as a strong acid catalyst.
Dialectal Variation
British vs American Usage
Differences
Spelling: British English uses 'sulphonic' (chlorosulphonic acid), while American English uses 'sulfonic'.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally rare in both dialects, confined to specialized chemical literature and industry.
Grammar
How to Use “chlorosulfonic acid” in a Sentence
[Substance] is treated with chlorosulfonic acid.Chlorosulfonic acid reacts violently with [water/alcohol].The synthesis involves the use of chlorosulfonic acid as a [reagent/catalyst].Vocabulary
Collocations
Examples
Examples of “chlorosulfonic acid” in a Sentence
verb
British English
- The compound was chlorosulphonated using the standard procedure.
- We need to chlorosulphonate this aromatic ring.
American English
- The sample was chlorosulfonated to introduce the functional group.
- They chlorosulfonate the substrate in the first step.
adverb
British English
- The compound reacted chlorosulphonically with the alcohol.
- Not applicable in standard usage.
American English
- The group was added chlorosulfonically.
- Not applicable in standard usage.
adjective
British English
- The chlorosulphonic reaction mixture required careful quenching.
- A chlorosulphonic acid derivative was isolated.
American English
- The chlorosulfonic reagent was added dropwise.
- The process creates a chlorosulfonic ester.
Usage
Meaning in Context
Business
In chemical supply catalogs and safety data sheets for industrial purchasers.
Academic
In advanced chemistry textbooks, research papers on organic synthesis, and chemical engineering journals.
Everyday
Virtually never used.
Technical
Standard term in laboratory procedure manuals, chemical hazard warnings, and patents for sulfonation processes.
Watch out
Common Mistakes When Using “chlorosulfonic acid”
- Misspelling as 'chlorosulfuric acid'.
- Incorrectly hyphenating as 'chloro-sulfonic acid'.
- Mispronouncing the stress: it's chlorosulfONic, not CHLOROsulfonic.
FAQ
Frequently Asked Questions
No. Chlorosulfonic acid (HSO3Cl) is a derivative of sulfuric acid (H2SO4) where one hydroxyl group is replaced by a chlorine atom, making it more reactive and a potent sulfonating agent.
The difference stems from the spelling of the root element 'sulfur'. American English uses 'sulf-' based on the Latin 'sulfur', while British English traditionally uses 'sulph-' derived from the Hellenic/Latin 'sulphur'. Hence: chlorosulfonic (US) vs. chlorosulphonic (UK).
Extremely unlikely. Due to its high corrosivity, toxicity, and violent reaction with water, it is classified as a severe hazard. Its use is restricted to professionally equipped industrial or advanced research laboratories with appropriate safety protocols.
Its primary use is as a sulfonating agent in organic synthesis to introduce the -SO3H group into organic molecules, producing sulfonic acids or sulfonate esters. It is also used in the production of dyes, detergents, and pharmaceuticals.
A highly corrosive and reactive chemical compound with the formula HSO3Cl, used as a sulfonating agent in organic synthesis.
Chlorosulfonic acid is usually technical/scientific in register.
Chlorosulfonic acid: in British English it is pronounced /ˌklɔːrəʊsʌlˈfɒnɪk ˈæsɪd/, and in American English it is pronounced /ˌklɔːroʊsʌlˈfɑːnɪk ˈæsɪd/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. This is a technical term with no idiomatic usage.”
Learning
Memory Aids
Mnemonic
Think: CHLORea (like the disease) + SULFur + ONIC (sonic) ACID. A 'chlorine-sulfur-sonic' acid that reacts loudly (violently) with water.
Conceptual Metaphor
Often metaphorically described as a 'powerful tool' or 'aggressive reagent' in synthesis, conceptualizing it as an instrument for forceful molecular modification.
Practice
Quiz
What is the primary hazard associated with chlorosulfonic acid?