Cas no 21928-51-8 (5-Bromo-1,2,3-trichlorobenzene)

5-Bromo-1,2,3-trichlorobenzene is a halogenated aromatic compound characterized by the presence of bromine and chlorine substituents on a benzene ring. This structure imparts high chemical stability and reactivity, making it a valuable intermediate in organic synthesis, particularly in the production of agrochemicals, pharmaceuticals, and specialty chemicals. Its well-defined substitution pattern allows for selective further functionalization, enabling precise modifications in complex molecular frameworks. The compound's robust halogenated backbone also contributes to its utility in cross-coupling reactions and as a building block for advanced materials. Careful handling is advised due to its potential toxicity and environmental persistence.
5-Bromo-1,2,3-trichlorobenzene structure
21928-51-8 structure
Product Name:5-Bromo-1,2,3-trichlorobenzene
CAS No:21928-51-8
MF:C6H2BrCl3
MW:260.343078136444
MDL:MFCD00155009
CID:51920
PubChem ID:4124400
Update Time:2025-11-04

5-Bromo-1,2,3-trichlorobenzene Chemical and Physical Properties

Names and Identifiers

    • 5-Bromo-1,2,3-trichlorobenzene
    • 1-Bromo-3,4,5-trichlorobenzene
    • 3,4,5-Trichlorobromobenzene
    • Benzene, 5-bromo-1,2,3-trichloro-
    • 1,2,3-Trichloro-5-bromobenzol
    • 3,4,5-Trichlor-1-brombenzol
    • 3,4,5-Trichlor-brombenzol
    • 1-BROMO-3,4,5-TRICHLORO-BENZENE
    • PubChem23062
    • KSC497I6L
    • AMBZ0081
    • VZUMVBQMJFFYRM-UHFFFAOYSA-N
    • 1,2,3-Trichloro-5-bromobenzene
    • BCP05914
    • CL8617
    • TRA0022159
    • AM62698
    • RP29282
    • RP29281
    • AS06945
    • A1-00435
    • A4695
    • DTXSID00399582
    • AC-23654
    • SY014524
    • AKOS005258974
    • DS-0848
    • EN300-204382
    • 5-bromo-1,2,3-trichloro-benzene
    • Q-101231
    • SCHEMBL10872330
    • 21928-51-8
    • CS-W008419
    • FT-0658862
    • MFCD00155009
    • DB-011404
    • 3,4,5-Trichlorobromobenzene; Bromo-3,4,5-trichlorobenzene;
    • MDL: MFCD00155009
    • Inchi: 1S/C6H2BrCl3/c7-3-1-4(8)6(10)5(9)2-3/h1-2H
    • InChI Key: VZUMVBQMJFFYRM-UHFFFAOYSA-N
    • SMILES: BrC1C=C(C(=C(C=1)Cl)Cl)Cl
    • BRN: 2089937

Computed Properties

  • Exact Mass: 257.84100
  • Monoisotopic Mass: 257.841
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 0
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 0
  • Complexity: 108
  • 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
  • XLogP3: 4.7
  • Topological Polar Surface Area: 0

Experimental Properties

  • Density: 1.840
  • Melting Point: 60 oC
  • Boiling Point: 266 oC
  • Flash Point: 127 oC
  • Refractive Index: 1.603
  • Water Partition Coefficient: Slightly soluble in water.
  • PSA: 0.00000
  • LogP: 4.40930

5-Bromo-1,2,3-trichlorobenzene Security Information

5-Bromo-1,2,3-trichlorobenzene 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%

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5-Bromo-1,2,3-trichlorobenzene Production Method

5-Bromo-1,2,3-trichlorobenzene Related Literature

Additional information on 5-Bromo-1,2,3-trichlorobenzene

5-Bromo-1,2,3-Trichlorobenzene: A Comprehensive Overview

5-Bromo-1,2,3-Trichlorobenzene, also known by its CAS number CAS No. 21928-51-8, is a highly specialized aromatic compound with significant applications in various industrial and research domains. This compound is characterized by its unique chemical structure, which consists of a benzene ring substituted with three chlorine atoms at positions 1, 2, and 3, and a bromine atom at position 5. The combination of these halogen substituents imparts distinctive chemical properties to the molecule, making it valuable for a wide range of applications.

The synthesis of 5-Bromo-1,2,3-Trichlorobenzene typically involves multi-step processes that require precise control over reaction conditions. Recent advancements in synthetic methodologies have focused on improving the efficiency and sustainability of these processes. For instance, researchers have explored the use of catalytic systems and green chemistry principles to minimize waste and reduce the environmental footprint of production. These innovations not only enhance the scalability of the synthesis but also align with global efforts to promote eco-friendly industrial practices.

In terms of applications, 5-Bromo-1,2,3-Trichlorobenzene is widely used as an intermediate in the production of various specialty chemicals. Its role as an intermediate is particularly significant in the synthesis of biocides, herbicides, and other agrochemicals. The compound's ability to undergo further functionalization through nucleophilic aromatic substitution reactions makes it an invaluable building block in organic synthesis. Recent studies have highlighted its potential in the development of novel pesticides with enhanced efficacy and reduced environmental impact.

Beyond its role as an intermediate, 5-Bromo-1,2,3-Trichlorobenzene has also found applications in materials science. Researchers have investigated its use in the synthesis of advanced materials such as polymers and composites. The compound's electronic properties make it a promising candidate for applications in optoelectronics and energy storage devices. For example, recent research has demonstrated its potential as a precursor for synthesizing conductive polymers with tailored electronic properties.

The environmental behavior and toxicity of 5-Bromo-1,2,3-Trichlorobenzene have been subjects of extensive research. Studies have shown that the compound exhibits moderate persistence in aquatic environments and can undergo biotransformation under certain conditions. However, its potential toxicity to aquatic organisms underscores the importance of implementing strict regulatory measures to mitigate its environmental impact. Recent advancements in environmental chemistry have focused on developing efficient methods for the degradation and remediation of this compound in contaminated sites.

In conclusion, 5-Bromo-1,2,3-Trichlorobenzene is a versatile compound with a wide range of applications across various industries. Its unique chemical properties make it an essential component in the synthesis of specialty chemicals and advanced materials. As research continues to uncover new applications and improve synthetic methodologies, this compound is poised to play an even more significant role in both industrial and academic settings.

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