chlorophenol red: meaning, definition, pronunciation and examples
Very lowTechnical / Scientific
Quick answer
What does “chlorophenol red” mean?
A synthetic chemical compound used as a pH indicator dye, changing from yellow to red-purple over a specific pH range.
Audio
Pronunciation
Definition
Meaning and Definition
A synthetic chemical compound used as a pH indicator dye, changing from yellow to red-purple over a specific pH range.
A specific triphenylmethane dye derivative used primarily in analytical chemistry and biological research as an indicator for monitoring pH changes in solutions.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage; spelling is identical.
Connotations
Purely technical and neutral in both variants.
Frequency
Equally rare and specialized in both dialects, confined to chemistry, biochemistry, and laboratory contexts.
Grammar
How to Use “chlorophenol red” in a Sentence
The assay was performed *using* chlorophenol red.A solution *containing* chlorophenol red was prepared.The colour change *of* chlorophenol red indicates the endpoint.Vocabulary
Collocations
Examples
Examples of “chlorophenol red” in a Sentence
verb
British English
- The solution chlorophenol-reddened at pH 6.8.
- We will chlorophenol-red the assay mixture.
American English
- The solution chlorophenol-reddened at pH 6.8.
- We will chlorophenol-red the assay mixture.
adverb
British English
- N/A
American English
- N/A
adjective
British English
- The chlorophenol-red solution turned purple.
- A chlorophenol-red indicator strip was used.
American English
- The chlorophenol red solution turned purple.
- A chlorophenol red indicator strip was used.
Usage
Meaning in Context
Business
Not used.
Academic
Used in scientific papers and laboratory manuals in chemistry, biochemistry, and molecular biology.
Everyday
Never used.
Technical
Standard term in analytical chemistry procedures and biological assay protocols.
Watch out
Common Mistakes When Using “chlorophenol red”
- Misspelling as 'chlorophenal red' or 'chlorofinol red'.
- Incorrectly using it as a common colour name (e.g., 'a chlorophenol red shirt').
FAQ
Frequently Asked Questions
It is a laboratory chemical and should be handled with appropriate safety precautions, but its toxicity profile is specific; consult its Safety Data Sheet (SDS).
It typically changes from yellow to red-purple over a pH range of approximately 4.8 to 6.7.
It is a specialized chemical typically sold by laboratory suppliers and is not a common household item.
In specific laboratory contexts, it can be an abbreviation for Chlorophenol Red, but it is more widely known as Cardiopulmonary Resuscitation, so clarity is essential.
A synthetic chemical compound used as a pH indicator dye, changing from yellow to red-purple over a specific pH range.
Chlorophenol red is usually technical / scientific in register.
Chlorophenol red: in British English it is pronounced /ˌklɔːrəʊˈfiːnɒl rɛd/, and in American English it is pronounced /ˌklɔːroʊˈfiːnɑːl rɛd/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “N/A”
Learning
Memory Aids
Mnemonic
Think: 'CHLORe' (like the element Chlorine) + 'PHENOL' (a type of chemical) + 'RED' (its colour change). A 'red phenol chlorine' compound.
Conceptual Metaphor
N/A (Literal chemical entity)
Practice
Quiz
What is the primary use of chlorophenol red?