Cas no 156573-09-0 (1-Bromo-4-ethoxy-2,3-difluorobenzene)

1-Bromo-4-ethoxy-2,3-difluorobenzene is a fluorinated aromatic compound featuring bromine and ethoxy substituents on a benzene ring. This structure makes it a valuable intermediate in organic synthesis, particularly for pharmaceuticals, agrochemicals, and advanced materials. The presence of bromine enhances reactivity in cross-coupling reactions, while the ethoxy and difluoro groups contribute to electronic modulation and steric effects. Its well-defined substitution pattern allows for precise functionalization, enabling the synthesis of complex molecules. The compound is characterized by high purity and stability, ensuring consistent performance in demanding applications. Its utility in Suzuki, Heck, and other palladium-catalyzed reactions underscores its importance in modern synthetic chemistry.
1-Bromo-4-ethoxy-2,3-difluorobenzene structure
156573-09-0 structure
Product Name:1-Bromo-4-ethoxy-2,3-difluorobenzene
CAS No:156573-09-0
MF:C8H7BrF2O
MW:237.041388750076
MDL:MFCD07368018
CID:65444
PubChem ID:135727203
Update Time:2025-11-02

1-Bromo-4-ethoxy-2,3-difluorobenzene Chemical and Physical Properties

Names and Identifiers

    • 1-Bromo-4-ethoxy-2,3-difluorobenzene
    • 4-Bromo-2,3-Difluorophenetole
    • 1-ethoxy-2,3-difluorobromobenzene
    • 2,3-Difluoro-4-bromophenetole
    • 4-bromo-2,3-difluoro-ethoxybenzene
    • B90001
    • 1-Bromo-4-ethoxyl-2,3-difulorobenzene
    • 4-BroMo-2,3-difluorophenyl ethyl ether
    • 5-broMo-1,2-difluoro-3-(MethoxyMethyl)benzene
    • 2,3-Difluoro-4-ethoxybromobenzene
    • Benzene, 1-bromo-4-ethoxy-2,3-difluoro-
    • PubChem10702
    • KSC496K3P
    • OJZVBJOHBGYINN-UHFFFAOYSA-N
    • BCP27338
    • PC2861
    • DT1228
    • SBB098712
    • FCH1382
    • CS-W012863
    • FT-0730055
    • AS-19650
    • B3884
    • 1-bromo-4-ethoxy-2,3-difluorobenzene-
    • 1-Bromo-4-ethoxy-2,3-difluoro-benzene
    • SCHEMBL1243244
    • AC-23886
    • MFCD07368018
    • AM61339
    • DTXSID00650448
    • SY051187
    • 156573-09-0
    • AKOS015834840
    • DB-030763
    • MDL: MFCD07368018
    • Inchi: 1S/C8H7BrF2O/c1-2-12-6-4-3-5(9)7(10)8(6)11/h3-4H,2H2,1H3
    • InChI Key: OJZVBJOHBGYINN-UHFFFAOYSA-N
    • SMILES: BrC1C=CC(=C(C=1F)F)OCC

Computed Properties

  • Exact Mass: 235.96500
  • Monoisotopic Mass: 235.965
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 12
  • Rotatable Bond Count: 2
  • Complexity: 145
  • 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
  • Topological Polar Surface Area: 9.2
  • XLogP3: 3.2

Experimental Properties

  • Color/Form: No data available
  • Density: 1.533
  • Melting Point: No data available
  • Boiling Point: 222.7±35.0 °C at 760 mmHg
  • Flash Point: 107.2±10.2 °C
  • Refractive Index: 1.497
  • PSA: 9.23000
  • LogP: 3.12600

1-Bromo-4-ethoxy-2,3-difluorobenzene Customs Data

  • HS CODE:2909309090
  • Customs Data:

    China Customs Code:

    2909309090

    Overview:

    2909309090 Other aromatic ethers and their halogenated derivatives\sulfonation\Nitrated derivative(Including nitrosative derivatives).Regulatory conditions:nothing.VAT:17.0%.Tax refund rate:9.0%.MFN tariff:5.5%.general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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1-Bromo-4-ethoxy-2,3-difluorobenzene Production Method

1-Bromo-4-ethoxy-2,3-difluorobenzene Suppliers

Amadis Chemical Company Limited
Gold Member
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(CAS:156573-09-0)1-Bromo-4-ethoxy-2,3-difluorobenzene
Order Number:A3439
Stock Status:in Stock
Quantity:100g
Purity:99%
Pricing Information Last Updated:Monday, 2 September 2024 16:03
Price ($):152.0
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:156573-09-0)4-溴-2,3-二氟苯乙醚
Order Number:LE25884667
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:51
Price ($):discuss personally

Additional information on 1-Bromo-4-ethoxy-2,3-difluorobenzene

Comprehensive Guide to 1-Bromo-4-ethoxy-2,3-difluorobenzene (CAS No. 156573-09-0): Properties, Applications, and Market Insights

1-Bromo-4-ethoxy-2,3-difluorobenzene (CAS No. 156573-09-0) is a specialized halogenated aromatic compound that has gained significant attention in pharmaceutical and agrochemical research. This brominated difluorobenzene derivative serves as a crucial building block in organic synthesis, particularly in the development of advanced materials and bioactive molecules. With its unique electronic properties and structural versatility, this compound has become increasingly important in modern chemical research and industrial applications.

The molecular structure of 1-Bromo-4-ethoxy-2,3-difluorobenzene features a benzene ring substituted with bromine at position 1, an ethoxy group at position 4, and fluorine atoms at positions 2 and 3. This specific arrangement of substituents creates a distinctive electronic distribution that makes the compound particularly useful in cross-coupling reactions and as a precursor for more complex molecular architectures. Researchers value this compound for its predictable reactivity and excellent stability under various reaction conditions.

In pharmaceutical applications, 1-Bromo-4-ethoxy-2,3-difluorobenzene serves as a key intermediate in the synthesis of various drug candidates, particularly those targeting central nervous system disorders and inflammatory conditions. The presence of both fluorine and bromine atoms enhances the biological activity of resulting compounds while improving their metabolic stability. Recent studies have highlighted its potential in developing novel kinase inhibitors and GPCR modulators, addressing current demands in personalized medicine and targeted therapies.

The agrochemical industry utilizes 156573-09-0 in the development of advanced crop protection agents. The compound's structural features contribute to the creation of pesticides and herbicides with improved environmental profiles and target specificity. With growing concerns about sustainable agriculture and reduced environmental impact, researchers are exploring derivatives of this compound for next-generation green chemistry solutions in pest management.

Material science applications of 1-Bromo-4-ethoxy-2,3-difluorobenzene include its use in the synthesis of liquid crystals and organic semiconductors. The compound's ability to influence molecular packing and charge transport properties makes it valuable for developing advanced display technologies and organic electronic devices. This aligns with current industry trends toward flexible electronics and energy-efficient materials.

From a synthetic chemistry perspective, 1-Bromo-4-ethoxy-2,3-difluorobenzene participates in various palladium-catalyzed coupling reactions, including Suzuki, Stille, and Buchwald-Hartwig reactions. Its ortho-difluoro substitution pattern offers unique steric and electronic effects that can influence reaction outcomes, making it a valuable tool for structure-activity relationship studies in medicinal chemistry programs.

The global market for brominated aromatic compounds like 156573-09-0 has shown steady growth, driven by increasing demand from the pharmaceutical and specialty chemicals sectors. Manufacturers are focusing on developing scalable synthetic routes to meet the growing needs of research institutions and industrial users. Recent advancements in continuous flow chemistry have improved the production efficiency of such intermediates while reducing environmental impact.

Quality control of 1-Bromo-4-ethoxy-2,3-difluorobenzene typically involves rigorous analytical techniques including HPLC, GC-MS, and NMR spectroscopy. The compound's purity is crucial for its performance in downstream applications, particularly in pharmaceutical synthesis where impurity profiles can significantly affect final product quality. Current good manufacturing practices (cGMP) standards are increasingly applied to the production of such high-value intermediates.

Storage and handling recommendations for 1-Bromo-4-ethoxy-2,3-difluorobenzene emphasize protection from moisture and light to maintain stability. While not classified as hazardous under normal conditions, standard laboratory precautions should be followed when working with this compound. The material safety data sheet (MSDS) provides detailed guidance on proper handling procedures and personal protective equipment requirements.

Future research directions for 156573-09-0 derivatives focus on expanding their utility in catalysis and asymmetric synthesis. The compound's unique substitution pattern offers opportunities for developing novel chiral auxiliaries and ligands for transition metal catalysts. These developments align with the chemical industry's push toward more sustainable and atom-economical synthetic methods.

For researchers sourcing 1-Bromo-4-ethoxy-2,3-difluorobenzene, it's important to verify suppliers' certificates of analysis and quality assurance procedures. The compound is available from several specialty chemical providers in various quantities, from research-scale vials to bulk industrial quantities. Current market trends show increasing interest in custom synthesis services for derivatives of this valuable intermediate.

Environmental considerations for brominated difluorobenzene derivatives include proper waste disposal methods and potential recycling of byproducts. The chemical industry is developing improved green chemistry protocols for handling such compounds, reflecting broader sustainability initiatives. Researchers are encouraged to explore biodegradation pathways and environmental fate studies for these materials.

In conclusion, 1-Bromo-4-ethoxy-2,3-difluorobenzene (CAS No. 156573-09-0) represents a versatile and valuable building block in modern chemical synthesis. Its applications span pharmaceutical development, agrochemical innovation, and advanced materials science. As research continues to uncover new uses for this compound and its derivatives, its importance in both academic and industrial settings is likely to grow. The compound's unique combination of halogen substituents and ether functionality ensures its continued relevance in addressing current challenges across multiple scientific disciplines.

Recommended suppliers
Amadis Chemical Company Limited
(CAS:156573-09-0)1-Bromo-4-ethoxy-2,3-difluorobenzene
A3439
Purity:99%
Quantity:100g
Price ($):152.0
Email
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:156573-09-0)4-溴-2,3-二氟苯乙醚
LE25884667
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
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