Nonylphenol Ethoxylates (NPEs) and Nonylphenol (NP)

21 Oct 2024

English

हिन्दी

A report titled “Nonylphenol An Endocrine Disrupting Chemical” was released by Toxics Link, an environmental research organisation, and the US-based non-profit Environmental Defense Fund.

About Nonylphenol Ethoxylates (NPEs) and Nonylphenol (NP)

  • Chemical Characteristics:
    • NPEs and NP are surfactants contributing to environmental pollution, including frothing in rivers like the Yamuna, indicating high pollutant levels.
    • These chemicals are recognized as endocrine disruptors, toxic to aquatic life, and harmful to human health, particularly impacting reproductive and developmental systems.

What are surfactants?

  • The term surfactant comes from the word surface active agent. 
  • They are amphiphilic molecules and are thus absorbed in the air-water interface. 
  • At the interface, they align themselves so that the hydrophobic part is in the air and the hydrophilic part is in water. 
    • This will cause a decrease in surface or interfacial tensions

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  • Regulatory Status:
    • Many countries have banned the use of NPEs in detergents.
    • India lacks specific regulations for NPEs, though NP was banned in the cosmetics sector in 2009.
  • Industrial Usage: NP and NPEs are widely used in industries such as textiles, leather, detergents, cleaning products, paper, food packaging, cosmetics, construction, automotive, agrochemicals, paints, and metalworking fluids.
  • Health and Ecological Concerns:
    • Aquatic Life Toxicity: NP is toxic to fish, plants, and invertebrates, causing poisoning, reduced survival, impaired growth, and reproductive failure.
    • Human Health Risks: NP mimics estrogen, leading to hormonal imbalances, reproductive disorders, and increased cancer risks.
    • Environmental Persistence: NP is resistant to degradation, remaining in ecosystems for long periods and potentially entering the human food chain.
  • Recommendations for Safer Alternatives:
    • The transition to safer, cost-effective, and viable alternatives to NP and NPEs is recommended, but progress in India has been slow.

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Comprehensive coverage with a concise format
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हिंदी में भी उपलब्ध
Quick Revise Now !
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध

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