Exploration of how the molecular structure surrounding the β-dicarbonyl group impacts formation of brominated haloacetic acids

Polly Grundy; Peter Jarvis; John Fawell; Pablo Campo; Emma Goslan; John Haley; Bruce Jefferson

doi:10.1039/d5ew01262g

January 1, 2026Environmental Science Water Research & TechnologyOpen Access

Exploration of how the molecular structure surrounding the β-dicarbonyl group impacts formation of brominated haloacetic acids

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Key Points

The aim is to understand how the molecular structure of β-dicarbonyl compounds affects the formation of brominated haloacetic acids during water chlorination.
Analyzed molecular structures of various dicarbonyl compounds.
Investigated their role as precursors in disinfection processes.
Evaluated the toxicity of resulting brominated by-products.
Certain dicarbonyl compounds significantly increase the formation of more toxic brominated by-products.
Findings suggest a direct relationship between molecular structure and toxicity levels.
Improved understanding may help in regulating haloacetic acid standards.

Implication

Investigation explores how dicarbonyl compounds influence brominated by-products in drinking water, indicating health risks.

Abstract

Some dicarbonyl compounds favour formation of the more toxic brominated disinfection by-products during drinking water chlorination. Investigation of such precursors provides insight into risk and compliance with haloacetic acid (HAA9) standards.

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Cite This Study

Grundy et al. (2026) studied this question.

synapsesocial.com/papers/6a002087c8f74e3340f9b595 https://doi.org/10.1039/d5ew01262g

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Exploration of how the molecular structure surrounding the β-dicarbonyl group impacts formation of brominated haloacetic acids

Key Points

Implication

Abstract

Discussion

Cite This Study

Exploration of how the molecular structure surrounding the β-dicarbonyl group impacts formation of brominated haloacetic acids

Key Points

Implication

Abstract

Discussion

Cite This Study

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