nitrobenzene
Very lowTechnical/Scientific
Definition
Meaning
A pale yellow, oily, toxic liquid aromatic compound with the chemical formula C₆H₅NO₂, produced by nitrating benzene.
It is primarily used as an industrial solvent and an intermediate in the synthesis of other chemicals, most notably aniline. It has a characteristic odor of bitter almonds.
Linguistics
Semantic Notes
This is a precise chemical term with no common figurative or slang uses. Its meaning is invariant across contexts.
Dialectal Variation
British vs American Usage
Differences
There are no significant linguistic differences in usage; it is a standard international scientific term.
Connotations
None beyond its technical definition.
Frequency
Used with identical, very low frequency in both scientific communities.
Vocabulary
Collocations
Grammar
Valency Patterns
Nitrobenzene + [verb: is, was, contains, yields]The [noun: process, reaction, plant] + for + nitrobenzeneVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “-”
Usage
Context Usage
Business
In chemical manufacturing, referring to a raw material or intermediate product.
Academic
In chemistry textbooks and research papers on organic synthesis or industrial chemistry.
Everyday
Virtually never used in everyday conversation.
Technical
A precise term in chemical engineering, organic chemistry, and industrial safety documentation.
Examples
By Part of Speech
verb
British English
- The benzene is nitrated to yield nitrobenzene.
American English
- They nitrobenzene the compound in a controlled process.
adverb
British English
- -
American English
- -
adjective
British English
- The nitrobenzene derivative was analysed.
American English
- A nitrobenzene solution was prepared.
Examples
By CEFR Level
- -
- Nitrobenzene is a chemical with a strong smell.
- The factory produces nitrobenzene, which is used to make other chemicals like aniline.
- Despite its utility as an intermediate, nitrobenzene is highly toxic and requires careful handling under fume hoods.
Learning
Memory Aids
Mnemonic
'Nitro' (from nitrate) attached to 'benzene' (the ring). Think: 'Nitro-Benzene' like a car fuel name, but it's a chemical.
Conceptual Metaphor
None applicable; it is a concrete, technical substance.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- It is a single word, 'нитробензол'. Do not translate it as 'нитро-бензол' with a hyphen.
Common Mistakes
- Misspelling as 'nitrobenzin' or 'nitrobenzine'.
- Incorrect pluralization (it is usually uncountable).
- Confusing it with nitroalkanes like nitromethane.
Practice
Quiz
What is the primary industrial use of nitrobenzene?
FAQ
Frequently Asked Questions
Yes, it is toxic, can be absorbed through the skin, and its vapours are harmful. It is also flammable.
Its odour is similar to benzaldehyde, the compound responsible for the smell of bitter almonds.
No, it is an industrial chemical intermediate and not used directly in household goods due to its toxicity.
Its most important reaction is reduction to form aniline, a key precursor for dyes, drugs, and polymers.