• 1. Highly sensitive and selective detection of PCB 77 using an aptamer-catalytic hairpin assembly in an aquatic environment
  Lin Yuan,Qiang Fu,Maojuan Zhou,Yunqian Ma,Lihua Zang,Yingjian Qin,Dandan Ji,Fengshan Zhang RSC Adv. 2021 11 5506
• 2. Large-scale well-separated Ag nanosheet-assembled micro-hemispheres modified with HS-β-CD as effective SERS substrates for trace detection of PCBs
  Chuhong Zhu,Guowen Meng,Qing Huang,Zhongbo Li,Zhulin Huang,Meiling Wang,Jingpeng Yuan J. Mater. Chem. 2012 22 2271
• 3. Electrochemical impedance determination of polychlorinated biphenyl using a pyrenecyclodextrin-decorated single-walled carbon nanotube hybrid
  Yan Wei,Ling-Tao Kong,Ran Yang,Lun Wang,Jin-Huai Liu,Xing-Jiu Huang Chem. Commun. 2011 47 5340
• 4. Label-free selective SERS detection of PCB-77 based on DNA aptamer modified SiO2@Au core/shell nanoparticles
  Yilin Lu,Qing Huang,Guowen Meng,Lijun Wu,Zhang Jingjing Analyst 2014 139 3083
• 5. Two-dimensional MXene modified AgNRs as a surface-enhanced Raman scattering substrate for sensitive determination of polychlorinated biphenyls
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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Biphenyls and derivatives Chlorinated biphenyls
• Pesticide Chemicals Pesticide Active Ingredients Standard Substances

Introduction to 3,3',4,4'-Tetrachlorobiphenyl (CAS No. 32598-13-3)

3,3',4,4'-Tetrachlorobiphenyl, identified by its Chemical Abstracts Service (CAS) number 32598-13-3, is a chlorinated derivative of biphenyl. This compound belongs to the class of polychlorinated biphenyls (PCBs), which have been extensively studied due to their environmental persistence and potential biological impacts. The structural configuration of 3,3',4,4'-Tetrachlorobiphenyl features four chlorine atoms substituted at specific positions on the biphenyl ring system, imparting unique chemical and physical properties that make it of interest in various scientific and industrial applications.

The synthesis of 3,3',4,4'-Tetrachlorobiphenyl typically involves the chlorination of biphenyl using chlorinating agents such as chlorine gas or sulfuryl chloride under controlled conditions. The precise positioning of the chlorine atoms at the 3, 3', 4, and 4' positions is critical, as it influences the compound's reactivity, solubility, and interaction with biological systems. This compound's stability under a wide range of temperatures and its resistance to degradation make it valuable in certain industrial processes where thermal and chemical stability are required.

In environmental chemistry, the study of 3,3',4,4'-Tetrachlorobiphenyl has been a focal point due to its persistence in the environment and potential bioaccumulation. Recent research has highlighted its presence in aquatic ecosystems, where it can be detected even at low concentrations. The compound's ability to bind to organic matter and its slow rate of biodegradation contribute to its persistence in soil and water bodies. Understanding the fate and transport of 3,3',4,4'-Tetrachlorobiphenyl is crucial for developing effective environmental remediation strategies.

From a toxicological perspective, 3,3',4,4'-Tetrachlorobiphenyl has been shown to exhibit certain biological activities that warrant further investigation. Studies have indicated potential interactions with cellular receptors and enzymes, which may lead to various physiological effects. While not as extensively studied as some other PCB congeners, research into the mechanisms by which 3,3',4,4'-Tetrachlorobiphenyl affects living organisms continues to provide valuable insights into the broader class of chlorinated biphenyls. These findings are essential for assessing risks associated with environmental exposure and for developing guidelines for safe handling.

The industrial applications of 3,3',4,4'-Tetrachlorobiphenyl are primarily centered around its use as a building block in the synthesis of more complex organic compounds. Its stable structure allows it to serve as a precursor in the production of specialty chemicals used in coatings, adhesives, and other materials where thermal stability is a key requirement. Additionally, its properties make it useful in certain types of polymer additives that enhance material performance under extreme conditions.

Recent advancements in analytical chemistry have improved the detection and quantification of 3,3',4,4'-Tetrachlorobiphenyl in environmental samples. Techniques such as gas chromatography-mass spectrometry (GC-MS) and high-performance liquid chromatography (HPLC) offer high sensitivity and specificity, enabling researchers to monitor trace levels of this compound accurately. These analytical methods are crucial for compliance with environmental regulations and for conducting long-term monitoring studies.

The impact of 3,3',4,4'-Tetrachlorobiphenyl on aquatic life has been a subject of concern due to its potential toxicity at certain concentrations. Research has shown that exposure to this compound can affect fish development and reproduction, highlighting the importance of understanding its ecological impact. Efforts are ongoing to mitigate the release of PCBs into aquatic environments through stricter industrial controls and improved waste management practices.

In conclusion, 3, T, < strong > Tetrachlorobiphenyl (CAS No.< strong > strong >< strong > 32 strong >< strong >598-13- strong >< strong > 33 strong > strong >) remains an important compound in both environmental science and industrial chemistry. Its unique properties make it valuable for various applications while also presenting challenges due to its persistence and potential biological effects. Continued research into its behavior and impacts will be essential for managing its presence in both industrial and natural settings effectively.

• 2974-92-7(3,4-Dichlorobiphenyl)
• 2974-90-5(3,4'-Dichlorobiphenyl)
• 11104-28-2(Aroclor 1221 Solution)
• 41464-48-6(3,3',4,5'-Tetrachlorobiphenyl)
• 11100-14-4(Aroclor 1268 Solution)
• 2051-61-8(3-Chlorobiphenyl)
• 39635-33-1(3,3',4,5,5'-Pentachlorobiphenyl)
• 38444-90-5(3,4,4'-Trichlorobiphenyl)
• 32774-16-6(3,3',4,4',5,5'-Hexachlorobiphenyl)
• 2050-67-1(3,3'-Dichlorobiphenyl)