epichlorohydrin: meaning, definition, pronunciation and examples

C2
UK/ˌɛpɪˌklɔːrə(ʊ)ˈhaɪdrɪn/US/ˌɛpɪˌklɔːroʊˈhaɪdrɪn/

Technical / Industrial / Scientific

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Quick answer

What does “epichlorohydrin” mean?

A colourless, volatile, toxic liquid (C₃H₅ClO) used primarily as a chemical intermediate in the production of epoxy resins, synthetic glycerine, and other industrial compounds.

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Pronunciation

Definition

Meaning and Definition

A colourless, volatile, toxic liquid (C₃H₅ClO) used primarily as a chemical intermediate in the production of epoxy resins, synthetic glycerine, and other industrial compounds.

In industrial chemistry, it refers to the reactive epoxide compound 1‑chloro‑2,3‑epoxypropane, which is a key monomer. It is also known for its hazardous properties, including being a probable human carcinogen.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences; spelling and pronunciation are identical. The industrial terminology is standardised globally.

Connotations

None beyond its technical meaning. It carries the same connotation of industrial hazard and utility in both varieties.

Frequency

Extremely rare in general English. Its frequency is confined to technical publications, safety data sheets, and chemical engineering contexts in both regions.

Grammar

How to Use “epichlorohydrin” in a Sentence

[epichlorohydrin] is reacted with [chemical][process] produces [epichlorohydrin][epichlorohydrin] acts as a [monomer/intermediate]Exposure to [epichlorohydrin]

Vocabulary

Collocations

strong
production of epichlorohydrinepichlorohydrin exposureepichlorohydrin resinepoxy resins from epichlorohydrin
medium
synthesis of epichlorohydrinhandle epichlorohydrinepichlorohydrin is usedcontaining epichlorohydrin
weak
toxic epichlorohydrinliquid epichlorohydrincommercial epichlorohydrinpure epichlorohydrin

Examples

Examples of “epichlorohydrin” in a Sentence

adjective

British English

  • The epichlorohydrin-based adhesive cured rapidly.
  • An epichlorohydrin derivative was analysed.

American English

  • The epichlorohydrin-derived polymer showed high strength.
  • Epichlorohydrin contamination levels were monitored.

Usage

Meaning in Context

Business

Mentioned in corporate reports of chemical manufacturers, supply chain logistics, and regulatory compliance documents.

Academic

Used in chemistry, chemical engineering, and material science journals, textbooks, and research papers on polymer synthesis.

Everyday

Virtually never used. If encountered, it would be on a hazardous material warning label.

Technical

The primary context. Found in process descriptions, patents, safety data sheets (SDS), and specifications for resin production.

Vocabulary

Synonyms of “epichlorohydrin”

Strong

(chemical formula) C₃H₅ClO

Neutral

1-chloro-2,3-epoxypropaneECH

Weak

epoxide intermediatechlorohydrin epoxide

Watch out

Common Mistakes When Using “epichlorohydrin”

  • Misspelling as 'epichlorhydrin' (dropping the 'o').
  • Mispronouncing with stress on 'chloro' instead of 'hydrin' (/ˌɛpɪˈklɔːrəhaɪdrɪn/ is incorrect).

FAQ

Frequently Asked Questions

Yes, it is toxic, flammable, corrosive, and classified as a probable human carcinogen. It requires stringent safety handling procedures.

Not directly. You encounter its polymers (like cured epoxy resins in coatings or adhesives), but the pure chemical is only found in industrial settings.

In chemical nomenclature, 'epi-' here indicates an epoxide functional group—a three-membered cyclic ether.

In technical contexts, it is often abbreviated as ECH. Its IUPAC name is 1-chloro-2,3-epoxypropane.

Epichlorohydrin is usually technical / industrial / scientific in register.

Epichlorohydrin: in British English it is pronounced /ˌɛpɪˌklɔːrə(ʊ)ˈhaɪdrɪn/, and in American English it is pronounced /ˌɛpɪˌklɔːroʊˈhaɪdrɪn/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: EPoxy + CHLORO (chlorine) + HYDRIN (sounds like 'hydrate' but for a chemical compound). It's the chlorine-containing epoxide used for making epoxy.

Conceptual Metaphor

N/A (Too technical for common conceptual metaphors).

Practice

Quiz

Fill in the gap
The synthesis of bisphenol-A based epoxy resins requires as a key reactant.
Multiple Choice

What is the primary industrial use of epichlorohydrin?