para-dichlorobenzene: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “para-dichlorobenzene” mean?
A white crystalline compound (C6H4Cl2) used chiefly as a moth repellent and deodorizer.
Audio
Pronunciation
Definition
Meaning and Definition
A white crystalline compound (C6H4Cl2) used chiefly as a moth repellent and deodorizer.
A specific isomer of dichlorobenzene where the two chlorine atoms are attached to opposite positions on the benzene ring; also known as 1,4-dichlorobenzene, used in mothballs, toilet deodorant blocks, and as a chemical intermediate.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling of related terms may differ (e.g., odour/odor, deodoriser/deodorizer).
Connotations
Identical technical connotations. Layperson associations are with mothballs and toilet deodorant blocks.
Frequency
Equally low frequency in general language, used only in specific chemical, industrial, or public health contexts.
Grammar
How to Use “para-dichlorobenzene” in a Sentence
[be] composed of ~[contain] ~[use] ~ as a [repellent/intermediate][expose] to ~Vocabulary
Collocations
Examples
Examples of “para-dichlorobenzene” in a Sentence
adjective
British English
- The para-dichlorobenzene content was analysed.
- A para-dichlorobenzene-based repellent.
American English
- The para-dichlorobenzene concentration was measured.
- A para-dichlorobenzene deodorizer block.
Usage
Meaning in Context
Business
In supply chain or safety data sheets for chemical manufacturing or pest control products.
Academic
In chemistry, toxicology, and environmental science papers discussing its properties, uses, or health effects.
Everyday
Rare. May appear on product labels or in safety warnings.
Technical
Standard term in organic chemistry, industrial hygiene, and material safety documentation.
Vocabulary
Synonyms of “para-dichlorobenzene”
Strong
Neutral
Weak
Vocabulary
Antonyms of “para-dichlorobenzene”
Watch out
Common Mistakes When Using “para-dichlorobenzene”
- Misspelling as 'parradichlorobenzene' or 'para-dichlorobenzen'.
- Mispronouncing 'benzene' as /bɛnˈziːn/ instead of /ˈbɛnziːn/.
- Using 'para-dichlorobenzene' in general conversation instead of 'mothball crystals'.
FAQ
Frequently Asked Questions
Yes, it can be harmful if ingested or inhaled in large quantities, causing irritation and potential organ damage. Always use in well-ventilated areas.
Both are used in mothballs, but they are different chemicals. Naphthalene is derived from coal tar, while para-dichlorobenzene is a chlorinated hydrocarbon. They have different chemical structures, smells, and toxicity profiles.
In organic chemistry, 'para-' (abbreviated p-) describes a 1,4-disubstituted benzene ring, meaning the two chlorine atoms are attached to carbon atoms opposite each other.
Primarily for moths. While it may deter some other insects, it is not a broad-spectrum insecticide and is mainly marketed for moth control and deodorizing.
A white crystalline compound (C6H4Cl2) used chiefly as a moth repellent and deodorizer.
Para-dichlorobenzene is usually technical/scientific in register.
Para-dichlorobenzene: in British English it is pronounced /ˌpær.ə.daɪˌklɔː.rəʊ.ˈben.ziːn/, and in American English it is pronounced /ˌpær.ə.daɪˌklɔːr.oʊ.ˈbɛn.ziːn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “No common idioms.”
Learning
Memory Aids
Mnemonic
PARA-Dichloro-BENZENE: Imagine a PARA-sailor (para-) sailing between two chlorine (di-chloro) buoys attached to a BENCH (benzene ring) at opposite ends.
Conceptual Metaphor
TOXIC PROTECTOR (It is a substance that 'protects' clothes from moths by being toxic to them).
Practice
Quiz
What does the prefix 'para-' in para-dichlorobenzene refer to?