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joulu . 22, 2024 06:31 Back to list

cas 1451-82-7



Understanding CAS 1451-82-7 A Comprehensive Overview

CAS number 1451-82-7 refers to a specific chemical compound known as 2,2’,4,4’-tetrabromodiphenyl ether (commonly referred to as TBE). This compound belongs to the class of substances known as brominated flame retardants (BFRs). Understanding the properties, applications, environmental impact, and regulatory status of TBE is crucial for industries that utilize it and for consumers concerned about chemical safety in products.


Chemical Structure and Properties


TBE is characterized by its complex molecular structure, which comprises two phenyl rings bridged by ether linkages and heavily brominated, resulting in four bromine atoms attached to the aromatic rings. This structure imparts significant flame-retardant properties, making it valuable in various applications.


TBE is typically a white to off-white crystalline solid with low volatility and high thermal stability. Its low solubility in water but higher solubility in organic solvents reflects its hydrophobic nature, influencing its behavior in environmental contexts and interactions with biological systems.


Applications


Understanding CAS 1451-82-7 A Comprehensive Overview


Apart from its use in building and consumer goods, TBE has been employed in industrial applications, particularly in the production of polyurethane foams and rubber, where fire-resistant properties are paramount. This broad spectrum of applications underscores the compound's importance in enhancing fire safety in modern manufacturing and construction practices.


cas 1451-82-7

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Environmental and Health Concerns


Despite its utility, TBE and other brominated flame retardants have attracted significant scrutiny due to potential environmental and health concerns. Research has indicated that BFRs can leach out of products into the environment, leading to widespread contamination. These compounds are persistent in nature, accumulating in the food chain and posing risks to wildlife, particularly aquatic organisms.


Human exposure to TBE can occur through various pathways, including ingestion, inhalation, and dermal contact. Concerns have been raised regarding the potential endocrine-disrupting properties of TBE and its analogs, which might lead to adverse health effects such as developmental and reproductive issues. These health implications have prompted regulatory bodies to reevaluate the use of TBE and other similar compounds.


Regulatory Status


In response to mounting evidence of potential risks associated with TBE and other brominated flame retardants, regulatory measures have been undertaken in several jurisdictions. The European Union has established stringent regulations regarding the use of hazardous substances, leading to the restriction or banning of BFRs in some applications. The Stockholm Convention on Persistent Organic Pollutants (POPs) also addresses the environmental concerns related to brominated compounds.


Manufacturers are now increasingly seeking alternatives to TBE that offer fire safety without the associated risks. Research and development into bio-based flame retardants and other innovative materials are gaining momentum, aiming for sustainable solutions that protect both human health and the environment.


Conclusion


CAS number 1451-82-7 designates a significant chemical compound with valuable applications predominantly as a flame retardant. While TBE serves an essential role in enhancing the safety of various materials, its environmental persistence and potential health risks cannot be overlooked. As regulatory frameworks evolve and the demand for safer alternatives grows, a shift towards more sustainable fire-retardant solutions appears on the horizon. Ongoing research will be vital in uncovering new materials and methods to ensure safety without compromising environmental integrity. Understanding compounds like TBE is essential for industry stakeholders, prompting a responsible approach to their use and management.


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