Cas no 38444-73-4 (2,2',6-Trichlorobiphenyl)

2,2',6-Trichlorobiphenyl is a chlorinated biphenyl compound characterized by its three chlorine substituents at the 2, 2', and 6 positions. This structure imparts stability and resistance to degradation, making it useful in specialized industrial applications, such as dielectric fluids and chemical intermediates. Its defined chlorination pattern allows for predictable reactivity in synthesis, while its lipophilic nature facilitates solubility in organic matrices. Due to regulatory considerations, handling requires adherence to environmental and safety protocols. The compound's purity and consistency are critical for research and niche manufacturing processes where precise chemical properties are required. Proper storage and disposal measures are essential to mitigate environmental impact.
2,2',6-Trichlorobiphenyl structure
2,2',6-Trichlorobiphenyl structure
Product Name:2,2',6-Trichlorobiphenyl
CAS No:38444-73-4
MF:C12H7Cl3
MW:257.54298043251
CID:315538
PubChem ID:38029
Update Time:2025-05-23

2,2',6-Trichlorobiphenyl Chemical and Physical Properties

Names and Identifiers

    • 1,1'-Biphenyl,2,2',6-trichloro-
    • 2,2',6-Trichlorobiphenyl
    • 1,3-dichloro-2-(2-chlorophenyl)benzene
    • 2,2',3-TRICHLOROBIPHENYL
    • 2,2',6-Trichlorobiphenyl Solution
    • DTXCID6039502
    • DTXSID9074777
    • 1,1'-Biphenyl, 2,2',6-trichloro-
    • 2,2',6-Trichloro-1,1'-biphenyl
    • SCHEMBL2469822
    • 2,2',6-Trichloro-1,1'-biphenyl #
    • 1,1'-Biphenyl, 2,2',6-trichloro-; 2,2',6-Trichloro-1,1'-biphenyl; 2,2',6-Trichlorobiphenyl; 2,6,2'-Trichlorobiphenyl; PCB 19; 2,2',6-TriCB
    • 38444-73-4
    • MVXIJRBBCDLNLX-UHFFFAOYSA-N
    • PCB No. 19 10 microg/mL in Isooctane
    • Q27276068
    • D412D898H3
    • PCB No. 19
    • UNII-D412D898H3
    • PCB 19
    • MDL: MFCD00152892
    • Inchi: 1S/C12H7Cl3/c13-9-5-2-1-4-8(9)12-10(14)6-3-7-11(12)15/h1-7H
    • InChI Key: MVXIJRBBCDLNLX-UHFFFAOYSA-N
    • SMILES: ClC1C=CC=C(C=1C1C=CC=CC=1Cl)Cl

Computed Properties

  • Exact Mass: 255.96100
  • Monoisotopic Mass: 255.961
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 0
  • Heavy Atom Count: 15
  • Rotatable Bond Count: 1
  • Complexity: 197
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: nothing
  • Topological Polar Surface Area: 0A^2

Experimental Properties

  • Density: 1.3510 (rough estimate)
  • Melting Point: 63.91°C (estimate)
  • Boiling Point: 334.36°C (rough estimate)
  • Flash Point: 204.2 °C
  • Refractive Index: 1.6040 (rough estimate)
  • PSA: 0.00000
  • LogP: 5.31380

2,2',6-Trichlorobiphenyl Customs Data

  • HS CODE:2903999090
  • Customs Data:

    China Customs Code:

    2903999090

    Overview:

    2903999090 Other aromatic halogenated derivatives. VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:5.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

2,2',6-Trichlorobiphenyl Pricemore >>

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Additional information on 2,2',6-Trichlorobiphenyl

2,2',6-Trichlorobiphenyl (CAS No. 38444-73-4): A Comprehensive Overview

2,2',6-Trichlorobiphenyl is a chlorinated biphenyl compound with the CAS registry number 38444-73-4. This compound belongs to the family of polychlorinated biphenyls (PCBs), which are a class of synthetic organic chemicals that have been widely studied due to their unique chemical properties and environmental implications. The structure of 2,2',6-Trichlorobiphenyl consists of two benzene rings connected by a single bond, with chlorine atoms substituted at the 2, 2', and 6 positions. This specific substitution pattern gives the compound its distinct chemical properties and reactivity.

Historically, PCBs like 2,2',6-Trichlorobiphenyl were used in various industrial applications due to their thermal stability, dielectric properties, and resistance to oxidation. However, concerns over their persistence in the environment and potential toxicity led to restrictions on their production and use in many countries. Despite this, 2,2',6-Trichlorobiphenyl remains an important compound for research purposes, particularly in understanding the environmental fate and toxicological effects of PCBs.

Recent studies have focused on the environmental behavior of 2,2',6-Trichlorobiphenyl, including its degradation pathways and bioaccumulation potential. Research has shown that this compound can undergo microbial degradation under specific conditions, such as anaerobic environments or in the presence of certain enzymes. These findings are significant for developing strategies to remediate contaminated sites and reduce the environmental impact of PCBs.

In terms of toxicity, 2,2',6-Trichlorobiphenyl has been shown to exhibit endocrine-disrupting properties in laboratory studies. It can interfere with hormone signaling pathways, potentially leading to adverse effects on reproductive and developmental processes in exposed organisms. These effects highlight the importance of continued research into the health risks associated with exposure to PCBs like 2,2',6-Trichlorobiphenyl.

Another area of interest is the application of advanced analytical techniques for detecting trace levels of 2,2',6-Trichlorobiphenyl in environmental samples. Techniques such as gas chromatography-mass spectrometry (GC-MS) and high-resolution mass spectrometry (HRMS) have enabled researchers to quantify this compound at extremely low concentrations. These advancements are crucial for monitoring PCB contamination in ecosystems and assessing human exposure risks.

Looking ahead, there is growing interest in developing bioremediation strategies tailored to degrade 2,2',6-Trichlorobiphenyl more efficiently. Researchers are exploring the use of genetically engineered microorganisms and enzymatic catalysts to break down this compound into less harmful byproducts. Such innovations could provide sustainable solutions for addressing PCB contamination worldwide.

In summary, 2,2',6-Trichlorobiphenyl (CAS No. 38444-73-4) is a significant compound within the PCB family with a rich history of industrial use and ongoing relevance in environmental science and toxicology. As research continues to uncover new insights into its behavior and impacts, efforts to mitigate its effects on ecosystems and human health remain a priority for scientists and policymakers alike.

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