3,5-Difluorobromobenzene (CAS 461-96-1): In-depth analysis of the current market status and application prospects of pharmaceutical intermediates

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　　As an important branch in the field of fine chemicals, fluorinated aromatic compounds have demonstrated great application potential in recent years within strategic emerging industries such as pharmaceutical research and development, pesticide synthesis, and electronic materials. 3,5-Difluorobromobenzene, as a key member of this family, owes its excellent reactivity and selectivity to its unique molecular structure – a precise combination of two fluorine atoms and one bromine atom – making it one of the most popular fluorinated building blocks in drug synthesis. From a market perspective, the scale of China’s 3,5-difluorobromobenzene market in 2023 exceeded 820 million yuan, representing a year-on-year increase of 14.6%. Applications in the pharmaceutical sector accounted for as much as 52% of this market, indicating that the industrial application structure is accelerating its transition toward higher-value applications. This article will systematically elaborate on the industrial value and development trends of 3,5-difluorobromobenzene from multiple perspectives, including product characteristics, application areas, market landscape, and procurement guidelines. Basic product information: CAS number: 461-96-1; Molecular formula: C₆H₃BrF₂; Appearance: Colorless to slightly yellow transparent liquid; Packaging and transportation: Standard packaging specifications are 25 kg per drum or 200 kg per drum ； Dangerous goods transport number UN 1993 3/PG 3, Packing Group III ； Storage conditions: store in a sealed container in a well-ventilated and dry place. Product price and specifications: Price information varies significantly depending on purity and supplier. Industrial-grade products (purity 98%-99%) cost approximately 8-28 yuan per kilogram, while large-packaged products (≥1000 kilograms) can be as low as 90 yuan per kilogram. Reagent-grade products have a higher purity (usually ≥99%) and are packaged in smaller quantities (such as 25g, 100g, 500g, etc.), which results in a higher price; the cost per bottle ranges from 29.9 yuan to 855 yuan. Pharmaceutical-grade high-purity products (with a purity of ≥99.9%) meet the requirements of international standards such as USP/EP; their price is usually above 200 yuan per kilogram, and batch quality control documents (such as COA and NMR spectra) are required. Chemical properties and reaction mechanisms: This compound exhibits good reactive activity and selectivity. From a reaction chemistry perspective, the bromine atom is located at position 1 of the benzene ring, while the two fluorine atoms are symmetrically arranged at positions 3 and 5; this precise pattern of substitution confers unique electronic and steric effects on it. The strong leaving tendency of bromine atoms makes them highly reactive in nucleophilic substitution reactions. Meanwhile, the strong electron-withdrawing effect of fluorine atoms significantly reduces the electron cloud density of the benzene ring through conjugation, thereby enhancing the reactivity of the compound in cross-coupling reactions. 　　Research data shows that the reaction rate of 3,5-difluorobromobenzene in Suzuki coupling reactions is approximately 3.2 times higher than that of non-fluorinated bromobenzene. This characteristic gives it unique advantages in the synthesis of pharmaceutical molecules. Furthermore, this compound is widely used in various catalytic transformation processes such as the Buchwald-Hartwig amination reaction and the Ullmann coupling reaction, and the selectivity of its reaction sites can be precisely controlled by adjusting the reaction conditions. Application Analysis in the Pharmaceutical Sector The pharmaceutical industry is the main market for 3,5-difluorobromobenzene; in 2023, the sector of pharmaceutical intermediates accounted for approximately 52%-62% of the total demand for this substance. As a key intermediate in the synthesis of fluorinated drugs, this compound plays an irreplaceable role in the synthetic pathways of various important medications. 　　In the field of antitumor drugs, 3,5-difluorobromobenzene derivatives are important synthetic building blocks for various kinase inhibitors. Typical applications include the synthesis of Selumetinib, a MEK1/2 inhibitor. This drug exerts its anti-tumor effects by inhibiting the MAPK/ERK signaling pathway. Additionally, this compound also plays a crucial role in the synthetic pathway of osimertinib, a third-generation EGFR inhibitor. In 2022, the global sales of osimertinib reached $5.43 billion. Data from the China Pharmaceutical Industry Information Center show that in 2022, the domestic market size for anti-tumor drugs reached 245 billion yuan, with fluorinated drugs accounting for 28% of this amount. This trend has directly driven up the demand for 3,5-difluorobromobenzene. 　　In the field of antiviral drugs, 3,5-difluorobromobenzene is used in the synthesis of antiviral agents such as HIV protease inhibitors. Among the Class 1 new drugs submitted to the **Drug Administration in 2023, drugs with fluorine-containing structures accounted for 37%, reflecting the important role of fluorine-containing intermediates in the development of innovative drugs. In terms of central nervous system drugs, this compound also shows potential for use in the synthesis of analgesics, antidepressants, and other such drugs. 　　From an industry trend perspective, as the \"14th Five-Year Plan for the Development of the Pharmaceutical Industry\" increases support for innovative drugs, it is expected that the procurement volume of 3,5-difluorobromobenzene in the pharmaceutical sector will exceed 1.5 billion yuan by 2025, with a yearly compound growth rate remaining in the range of 18%-22%. Application analysis in the pesticide sector　　The pesticide industry is the second-largest consumer market for 3,5-difluorobromobenzene, with demand primarily focused on the development of new insecticides and herbicides. Statistics from the China Pesticide Industry Association show that in 2022, the proportion of domestically produced high-efficiency and low-toxicity pesticides increased to 45%. Meanwhile, the output of fluorine-containing pesticides saw a year-on-year growth of 19.6%. 3,5-Difluorobromobenzene plays a crucial role in the synthesis of novel benzoylurea insecticides—a product category that achieved a global market value of $3.2 billion in 2022, demonstrating robust growth prospects. 　　In terms of specific applications, 3,5-difluorobromobenzene can be used in the synthesis of phenoxycarboxylic acid herbicides targeting resistant weeds, as well as novel benzoylurea insecticides. Its fluorinated structure helps to enhance the metabolic stability and environmental friendliness of these drugs. Domestic leaders such as Yangnong Chemical and Xinan Co., Ltd. are accelerating their efforts to expand production capacity for fluorinated pesticide intermediates; in 2023, over 800 million yuan was invested in new projects related to this sector. 　　At the policy level, the implementation of the “Action Plan for Reducing the Use of Chemical Pesticides by 2025” has driven a continuous rise in demand for highly effective and low-residue pesticides. It is estimated that by 2025, the annual demand for 3,5-difluorobromobenzene in the pesticide industry will reach 800–1,000 tons. Notably, the EU’s REACH regulation regarding restrictions on traditional pesticides (with 12 additional substances being restricted in 2023) will accelerate the replacement process by new fluorine-containing products. Application Analysis in the Field of New Materials: The use of 3,5-difluorobromobenzene in new materials has seen rapid growth in recent years, primarily in two areas: liquid crystal materials and organic electroluminescent materials. In 2024, the domestic market size for OLED materials exceeded 8.5 billion yuan, driving a growth of over 12% in the demand for upstream fluorobenzene-based raw materials. 　　In the field of liquid crystal materials, 3,5-difluorobromobenzene serves as a key intermediate in the synthesis of liquid crystal monomers. Its derivatives can optimize the dielectric anisotropy and optical properties of liquid crystal molecules, thereby improving the response speed and contrast of display panels. The surge in demand for liquid crystal polymers (LCP) driven by the construction of 5G communication base stations, along with the need for high-purity fluorinated materials resulting from the development of flexible display technologies, are all providing strong momentum for growth in this sector. 　　In terms of market structure, in 2023, the proportion of 3,5-difluorobromobenzene consumed in the new materials sector rose to 22%-28%. The market share of electronic-grade products (with a purity of ≥99.9%) is expected to increase from 15% in 2022 to 28% in 2025, thereby driving the industry’s transition toward higher-end applications. Market supply and demand dynamics and price trends From a global supply and demand perspective, in 2023, China’s production capacity for 3,5-difluorobromobenzene was around 12,000 tons; the actual output was 9,800 tons, while the apparent consumption was 8,600 tons. Exports accounted for 14% of total production. The main manufacturing enterprises are concentrated in East China regions such as Shandong (42%), Jiangsu (31%), and Zhejiang (19%). Leading companies like Zhejiang Yongtai Technology and Jiangsu Yangnong Chemical have improved the purity of their products to over 99.9% through process optimization, resulting in a 23% reduction in energy consumption per unit compared to 2020. 　　In terms of price trends, the average market price in Q2 2023 was around 285,000 yuan per ton (for industrial use), representing a 34% increase compared to the same period in 2021. This increase was mainly driven by fluctuations in the price of bromine as a raw material – the average import price of bromine in 2023 rose by 22% on a year-on-year basis. In the long term, with the wider adoption of continuous microchannel synthesis technology, the single-pass yield is expected to rise from 68% under traditional processes to 89%, which should exert downward pressure on costs. 　　In terms of regional layout, there is a clear trend of industrial relocation to the central and western regions; in Sichuan and Hubei, the individual production capacity of newly constructed projects generally exceeds 3,000 tons per year. The import-export structure continues to improve; in 2023, the dependence on imports dropped to 21%. It is expected that by 2025, full self-sufficiency will be achieved, and export markets in Southeast Asia will be developed. Purchasing Recommendations and Supplier Selection For the procurement of 3,5-difluorobromobenzene, it is recommended that purchasers pay close attention to the following aspects: The first is purity and specification compliance. Pharmaceutical-grade procurement typically requires a purity level of ≥99.9%, along with batch quality control documents that comply with USP/EP standards ； For purchasing at pesticide grade or industrial grade, products with a purity of 98%-99% are available, offering better cost-effectiveness. 　　Next is the verification of suppliers’ qualifications. Priority should be given to suppliers that possess the qualifications for handling hazardous chemicals and have passed ISO quality management system certifications, to ensure product traceability and supply stability. 　　Third is logistics and delivery capabilities. Given the hazardous nature of this product, it is necessary to ensure that the supplier has compliant storage and transportation conditions, as well as the capability to supply large quantities promptly. 　　The fourth is technical support services. Leading suppliers are typically able to provide professional services such as customized development of synthetic routes and analysis of impurity profiles, which helps downstream customers optimize process parameters. Conclusions and Prospects Comprehensive analysis indicates that 3,5-difluorobromobenzene, as an important fluorinated pharmaceutical intermediate, holds great application prospects in fields such as antitumor drugs, antiviral drugs, and liquid crystal materials. The market demand structure continues to improve, with the demand for high-purity products increasing steadily, driving the industry toward greater refinement and higher-end development. It is anticipated that by 2025, the domestic market size will exceed 1.25 billion yuan. The demand in the pharmaceutical sector is expected to grow at a rate of 13.2%, which is significantly higher than the industry average. 　　From the perspective of industrial upgrading, the widespread adoption of green synthesis processes will effectively reduce production costs and environmental impact; the utilization rate of continuous flow reaction technology is expected to rise from the current 15% to 35%. We recommend high-quality supplier resources to help pharmaceutical R&D companies achieve both stable supply and cost optimization. References: BenchChem Technical Support Team. Synthesis of 3,5-Difluorophenol from 3,5-Difluorobromobenzene: Application Notes and Protocols. December 2025. China Pharmaceutical Industry Information Center. Analysis of the Chinese pharmaceutical intermediates market in 2023. General Administration of Customs of China. Import and export statistics database for 2023. United States Pharmacopeia Commission (USP). USP-NF 2024 Edition. Chinese Chemical Society. Report on advances in chemical technology in 2023. Frequently Asked Questions (FAQ): Q1: What are the main application areas of 3,5-difluorobromobenzene? 　　The main applications of 3,5-difluorobromobenzene lie in the three fields of pharmaceuticals, pesticides, and new materials. In the pharmaceutical industry, it is primarily used as a building block for the synthesis of anti-tumor drugs (such as Selumetinib and Osimertinib), antiviral drugs, and drugs for the central nervous system ； In the field of pesticides, it is applied to the development of new benzoylurea insecticides and phenoxycarboxylic acid herbicides ； In the field of new materials, it is used for the synthesis of liquid crystal materials and OLED organic electroluminescent materials. According to 2023 market data, the consumption share in the pharmaceutical sector is around 52%-62%, in the pesticide sector it is about 25%-28%, and in the new materials sector it is approximately 22%-28%. Q2: What are the precautions for storing and transporting 3,5-difluorobromobenzene? 　　3,5-Difluorobromobenzene is classified as a Class 3 flammable liquid hazardous material; its hazardous materials transport number is UN 1993 3/PG 3. For storage, it should be kept in a sealed container in a well-ventilated and dry place, away from contact with oxidizing agents. The recommended storage temperature is 2-8°C, or at room temperature in a cool, dark place. During transportation, containers that meet the packaging requirements for hazardous chemicals must be used (usually plastic-lined iron drums), with a packaging grade of III. Operators should be equipped with appropriate personal protective equipment, including protective gloves, goggles, etc. This substance is harmful to aquatic environments, and waste liquid must be treated in accordance with hazardous waste standards. Q3: How to choose a suitable supplier for 3,5-difluorobromobenzene? 　　When selecting a supplier, it is recommended to consider the following factors comprehensively: First is product quality, with purity having to meet the requirements of the application (pharmaceutical grade ≥99.9%, industrial grade ≥98%) ； Secondly, qualifications and compliance: suppliers must possess a license for operating hazardous chemicals and relevant quality management system certifications ； Third is the stability of supply; it’s necessary to evaluate the supplier’s production capacity and ability to secure raw materials ； Fourth is technical support services; priority should be given to suppliers who can provide batch quality inspection documents (COA, NMR) as well as process support ； Fifth is the logistics and delivery capability, ensuring timely delivery when placing large orders. Q4: What are the main reaction types of 3,5-difluorobromobenzene in drug synthesis? 　　The most commonly used type of reaction for 3,5-difluorobromobenzene in pharmaceutical synthesis is transition metal-catalyzed cross-coupling reactions. Bromine atoms act as leaving groups in the Suzuki-Miyaura coupling reaction, enabling the formation of carbon-carbon bonds with aryl boronic acids ； The Buchwald-Hartwig amination reaction is used to form carbon-nitrogen bonds and synthesize aromatic amines. Furthermore, this compound can also be used in various transformation processes such as the Ullmann coupling and Negishi coupling. The presence of fluorine atoms enhances the metabolic stability of compounds, enabling their derivatives to improve pharmacokinetic properties in drug molecules. Q5: What is the market price trend for 3,5-difluorobromobenzene? 　　The market price of 3,5-difluorobromobenzene is influenced by both raw material costs and supply-demand dynamics. During the period 2021–2023, driven by rising prices of bromine raw materials (the average import price of bromine increased by 22% on a year-on-year basis in 2023), the price of industrial-grade products rose from around 210,000 yuan per ton to 285,000 yuan per ton, an increase of approximately 34%. Regarding future trends, as microchannel continuous synthesis technology is increasingly adopted (with a one-way yield of up to 89%), production costs are expected to decrease ； At the same time, demand from downstream sectors continues to grow, particularly in the pharmaceutical industry, and it is expected that the market size will exceed 1.25 billion yuan by 2025. When making purchasing decisions, pay attention to the supplier’s tiered pricing structure; bulk purchases (≥1000 kilograms) can yield significant price discounts.