A Fluorinated Aromatic Carboxylic Acid Empowering High-End Pharmaceutical and Material Innovation: 4-Bromo-2-fluorobenzoic Acid (CAS: 112704-79-7)

4-Bromo-2-fluorobenzoic Acid (CAS: 112704-79-7) is an important fluorinated aromatic carboxylic acid fine chemical intermediate with the molecular formula C₇H₄BrFO₂, appearing as a white to off-white crystalline powder. Its molecular structure integrates bromine and fluorine (both strong electron-withdrawing substituents) with a carboxylic acid active functional group, endowing it with excellent chemical reactivity and structural modification capabilities. It can efficiently participate in various reactions such as amidation, esterification, and Suzuki coupling, serving as a key building block for constructing fluorinated heterocyclic drugs, high-performance materials, and fine chemicals. The compound is mainly used in the synthesis of innovative anti-tumor and antibacterial drugs, while also holding broad application potential in high-end fields such as liquid crystal materials and functional dyes. Its production primarily relies on chemical synthesis, and market demand is deeply linked to global pharmaceutical R&D innovation, the localization of patented drugs, and the industrial upgrading of fluorinated materials. Based on the industrial attributes and application characteristics of this compound, this paper systematically analyzes its core value, focusing on safety, storage, and transportation management requirements to provide professional references for industry participants.

(I) Core Application Fields, Characteristics, and Synthesis Processes

The market demand for 4-Bromo-2-fluorobenzoic Acid (CAS: 112704-79-7) is highly concentrated in three major fields: pharmaceutical synthesis, pesticide development, and functional materials. The synergistic effect of its bromine-fluorine dual strong electron-withdrawing substituents and carboxylic acid active functional groups, excellent directed reaction selectivity, and strategic status as a key building block for fluorinated heterocyclic compounds are the core advantages driving demand growth.

Core Characteristics

1. Outstanding structural modification capabilities: The ortho- and para-substitution distribution of bromine (-Br) and fluorine (-F) on the benzene ring, combined with the active site of the carboxylic acid (-COOH), endows it with strong electronic effects and steric hindrance regulation capabilities. It can accurately participate in various transformations such as amidation, esterification, Suzuki coupling, and Heck reactions, making it an ideal intermediate for constructing fluorinated aromatic amines, heterocyclic drugs, and functional materials.
2. Stable physical and chemical properties with strong adaptability: As a crystalline solid, compared with liquid fluorinated intermediates, it has a lower leakage risk during transportation and storage. It also exhibits good solubility in most organic solvents (e.g., ethanol, ethyl acetate, dichloromethane), compatible with various reaction systems for laboratory R&D and industrial mass production.
3. High downstream derivation value: Through functional group transformation, it can efficiently synthesize a series of derivatives such as 4-bromo-2-fluorobenzamide, 4-bromo-2-fluorobenzoate, and 2-fluoro-4-aminobenzoic acid, which are widely used in the synthesis of different types of bioactive molecules and high-performance materials, boasting strong industrial chain extensibility.

Synthesis Processes

Currently, the mainstream industrial process adopts the directed substitution-acidification purification process. The core route uses 2-fluorobenzoic acid as the starting material, undergoes benzene ring bromination under the action of brominating agents (e.g., bromine, N-bromosuccinimide) and catalysts to generate crude products. After removing impurities via alkali washing and water washing, the target product is obtained through acidification crystallization and recrystallization purification, with a total yield of over 75% and purity ≥99%. In addition, it can also be prepared via the oxidation process of 3-bromo-2-fluorotoluene. This route features easily available raw materials but requires strict control of oxidation selectivity to avoid polyfunctional group degradation. Due to the stringent requirements for impurity control (e.g., free fluorine, heavy metals, isomers) in the downstream pharmaceutical and pesticide fields, the production process must establish a full-process quality control system, using high-performance liquid chromatography (HPLC) for real-time purity monitoring. The finished product undergoes vacuum drying to remove residual solvents, ensuring product stability and application safety.

(II) Product Market Pattern and Regional Characteristics

The global market demand for 4-Bromo-2-fluorobenzoic Acid (CAS: 112704-79-7) presents a distinct pattern of “Europe and the US leading high-end innovation, China dominating large-scale production, and Asia-Pacific driving new growth engines”. Its industrial division of labor is significantly influenced by the development level of the pharmaceutical and pesticide industries, fine chemical technology accumulation, and patent layout in various countries.

Europe, the US, and Japan dominate the high-end market and innovative applications. These regions are home to globally leading pharmaceutical R&D giants and agrochemical companies, with strong demand for fluorinated building blocks capable of constructing complex bioactive molecules. As a key intermediate for synthesizing new anti-tumor drugs, cardiovascular drugs, and high-efficiency, low-toxicity pesticides, 4-bromo-2-fluorobenzoic acid has the most in-depth application development in the European and US markets. The regulatory systems and pharmaceutical administration in Europe and the US impose extremely strict requirements on the purity, impurity profile, and production process compliance of intermediates. Products must meet high-purity standards (e.g., ≥98%, ≥99%) and strict isomer control criteria, which constitute the core technical barriers to market entry.

China and the Asia-Pacific region are both the world’s largest production and supply bases and the most promising consumer markets. China boasts a complete fluorochemical industrial chain and mature fine chemical production clusters, capable of large-scale supply of products with different specifications (e.g., purity 97%, 98%, 99%, etc.) to meet the full spectrum of demands from industrial-grade to pharmaceutical-grade. In recent years, with the advancement of domestic pharmaceutical innovation policies and the acceleration of patented drug localization, the procurement demand for specialty fluorinated intermediates such as 4-bromo-2-fluorobenzoic acid in the Asia-Pacific region has continued to rise.

The global R&D and trade network has rendered the supply chain of this product highly globalized. Professional chemical distributors (e.g., Sigma-Aldrich) have established a global warehousing and logistics system, providing small-batch, multi-batch, high-purity standard products and customized products for R&D institutions, CRO/CDMO companies, and small-to-medium-sized pharmaceutical enterprises, significantly accelerating its application in new drug R&D and process development.

(III) Regulatory, Environmental, and Safety Considerations

As a key fluorinated intermediate widely used in pharmaceutical and pesticide synthesis, the production, trade, and use of 4-Bromo-2-fluorobenzoic Acid (CAS:112704-79-7) are subject to regulatory supervision in major consumer markets.

In the Chinese market, this substance falls under the scope of new chemical substance environmental management. According to the approval results publicly released by the Ministry of Ecology and Environment in 2023, 2-fluoro-4-bromobenzoic acid has completed simplified registration and obtained approval for production activities. Manufacturers and users must comply with the relevant provisions of the Measures for the Environmental Management Registration of New Chemical Substances, ensuring possession of valid registration certificates and conducting activity reports as required. In the European and US markets, as a pharmaceutical and pesticide intermediate, its production and export must comply with the chemical management regulations of the target markets (e.g., the EU’s REACH regulation, the US’s TSCA regulation). Enterprises must ensure that products meet purity, impurity profile, and supply chain safety requirements. In other markets, manufacturers and exporters must conduct compliance declarations with reference to the chemical management regulations of the target countries.

Health Hazards

According to safety data, the substance is irritating to the eyes, respiratory system, and skin. Hazard statement R36/37/38 indicates that it irritates the eyes, respiratory system, and skin. Safety precautions recommend wearing suitable gloves and eye/face protection (S37/39). In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Physical Hazards

It has a flash point of approximately 101.7-128.8°C, classified as a combustible liquid. The boiling point is about 289.4°C, and the melting point ranges from 208-215°C.

Storage and Transportation Requirements

The substance is stable under normal temperature and pressure. It should be hermetically stored in a cool, dry warehouse, away from oxidizing agents, reducing agents, and alkalis. For international trade transportation, it must comply with dangerous goods transportation rules for compliant packaging and labeling.

Environmental Aspects

As a fine chemical, it poses slight hazards to the water environment. Undiluted or large quantities of the product should be avoided from contacting groundwater, watercourses, or sewage systems. The material shall not be discharged into the surrounding environment without government permission. The use of solvents, wastewater treatment, and VOCs emissions during production are key focuses of environmental supervision. Leading enterprises are committed to optimizing the synthesis process by using more efficient catalysts, replacing traditional organic solvents with green solvents, optimizing reaction conditions to reduce energy consumption, and improving waste treatment processes, thereby minimizing environmental impact.

(IV) Future Outlook

The market prospect of 4-Bromo-2-fluorobenzoic Acid (CAS: 112704-79-7) is deeply bound to three major trends: global pharmaceutical innovation, pesticide industry upgrading, and green chemical technology transformation.

Demand-side Driving Forces

1. Pharmaceutical R&D innovation: Fluorinated aromatic ring structures offer significant advantages in new drug design, as they can significantly improve the metabolic stability and target affinity of drugs. As a key intermediate for constructing complex fluorinated molecules, 4-bromo-2-fluorobenzoic acid’s applications in anti-tumor, anti-viral, and cardiovascular drug R&D continue to expand, with its market demand closely linked to the reserve of new drug R&D pipelines.
2. Pesticide industry upgrading: High-efficiency, low-toxicity pesticides represented by SDHI fungicides continue to replace traditional varieties, driving steady growth in the market demand for fluorinated biphenyl compounds. As a core intermediate for synthesizing star pesticides such as fluxapyroxad, its position in the industrial chain has become increasingly prominent.
3. Patent cliff and domestic substitution: With the expiration of patents for multiple fluorinated drugs and the extension of the national volume-based procurement policy to the agrochemical field, the demand of downstream preparation enterprises for high-quality, low-cost local intermediates will continue to surge, accelerating the domestic substitution process.
4. Technical barriers: Existing synthesis routes face technical pain points such as low yield, high cost of precious metal catalysts, and difficulty in separating defluorinated by-products. Developing more efficient and economical green synthesis processes is a long-term issue for the industry.
5. Environmental regulatory pressure: The production of fluorinated intermediates involves high-risk chemical reactions and fluorinated wastewater treatment. The increasingly stringent environmental regulations place higher requirements on enterprises’ clean production technology and three-waste treatment capabilities.
6. International trade frictions: As a fine chemical with a high degree of globalization, its market is vulnerable to factors such as geopolitics, tariff policies, and supply chain security, increasing the compliance costs and risks of enterprises’ transnational operations.
7. Technical level: Continuously optimize the coupling-reduction route, develop inherently safe processes such as one-pot synthesis and continuous flow; develop new catalytic systems to realize efficient recovery and reuse of precious metal catalysts, reducing production costs; explore green alternative technologies such as biocatalysis to enhance product added value.
8. Supply chain and compliance level: Establish a full-process quality control system from raw materials to finished products to ensure the stable supply of high-purity products; build a global compliance information database to quickly respond to regulatory requirements in different regions; actively expand diversified markets to disperse international trade risks.
9. Application level: Strengthen in-depth cooperation with downstream pharmaceutical and pesticide enterprises and CDMO companies to provide customized solutions from laboratory R&D to commercial production; make forward-looking layouts in emerging application fields such as new materials and liquid crystal displays to expand market growth space.

Major Industry Challenges

Response Strategies: Enterprises Need to Focus on Three Directions

(V) In-depth Analysis of the Chinese Domestic Market

As a core link in the global fluorinated fine chemical industrial chain, China has formed a mature market for 4-Bromo-2-fluorobenzoic Acid(CAS: 112704-79-7) featuring “globally leading production and supply capabilities, prominent export-oriented characteristics, and steady growth in the domestic demand market”. Its development dynamics deeply reflect the core trends of China’s pharmaceutical and pesticide industry upgrading, the localization of patented drugs, and the transformation to green chemical industry.

Driving Structure of Market Demand

1. Pharmaceutical synthesis field: It is the current core application growth engine, accounting for over 50%. With the continuous advancement of domestic R&D and innovation in anti-tumor, anti-viral, and cardiovascular drugs, as well as the wave of generic drug development after the expiration of patents for multiple fluorinated drugs, the procurement demand for high-quality fluorinated intermediates by downstream pharmaceutical enterprises and CDMO companies has steadily climbed. Its application has shifted from early dependence on imports to being driven by large-scale production and process optimization led by domestic enterprises.
2. Pesticide intermediate field: Demand maintains steady growth. High-efficiency, low-toxicity pesticides represented by SDHI fungicides continue to replace traditional varieties. As a key intermediate for synthesizing star pesticides such as fluxapyroxad, 4-bromo-2-fluorobenzoic acid’s position in China’s pesticide innovation and imitation system has become increasingly prominent.
3. Export market: Occupies an important share. China boasts the world’s most complete fluorochemical industrial chain with significant capacity scale advantages. A large number of products are exported to major pharmaceutical and pesticide producing countries in Europe, the US, and Southeast Asia through trade channels, demonstrating obvious export-oriented characteristics.

Supply Chain Pattern and Competitive Situation

Production side: China has the world’s most active fine chemical production clusters. The supply presents a hierarchical distribution:

2. Leading enterprises have the capacity for large-scale production of high-purity pharmaceutical-grade products, capable of meeting the stringent impurity control and compliance requirements of the high-end European and US markets.
3. Midstream enterprises meet mass market demand with cost advantages and stable supply capabilities, mainly distributed in regions with solid chemical industry foundations Some small-to-medium-sized enterprises focus on pesticide-grade and industrial-grade products, participating in segmented market competition with flexible supply. Industry integration continues to advance, and concentration gradually increases.

Consumption side: The customer group structure is clear. Branches of large multinational pharmaceutical companies in China, domestic leading pharmaceutical and pesticide enterprises, and professional CDMO companies form the core demand group for high-compliance and high-quality raw materials. Their audit of suppliers is becoming increasingly stringent, focusing not only on price but also on quality stability, batch consistency, process environmental protection, and full-process traceability capabilities.

Policy and Investment Environment

The guidance on the innovative development of the pharmaceutical industry and pesticide reduction and efficiency enhancement in the 14th Five-Year Plan, as well as the increasingly strict environmental and safety regulations, have objectively promoted downstream enterprises to select more efficient and environmentally friendly pharmaceutical and pesticide varieties and their upstream high-quality intermediates. The continuous attention of the capital market to strategic emerging industries such as biomedicine and green agriculture has provided financial support for the technological upgrading and new product development of local enterprises, indirectly driving the market demand for upstream specialty fluorinated intermediates.

In general, the Chinese market has transformed from a simple “global production base” to a composite market integrating large-scale production, technological innovation, and localized services. For suppliers of 4-Bromo-2-fluorobenzoic Acid, the key to winning market competition is to provide product solutions with excellent quality, stable supply, green processes, and compliance with domestic and international regulations and market demands.

(VI) Reasons to Choose Shanghai Xianchen Chemical Co., Ltd.

Founded in 2004, Shanghai Xianchen Chemical Co., Ltd. has been deeply engaged in the fluorinated fine chemical field for nearly 20 years and has developed into a professional fine chemical service provider integrating product R&D, production supporting, and supply chain services. It focuses on providing global customers with high-quality fluorinated intermediate products such as 2,3,4-trifluoronitrobenzene and customized solutions. Choosing Xianchen Chemical means choosing stable supply chain guarantee, professional technical services, flexible global support, and compliant sustainable development capabilities.

1. Stable Supply Chain Guarantee Capability

Relying on the advantages of the complete fluorochemical industrial chain in the Yangtze River Delta, Xianchen Chemical has built a full-process quality control system from core raw material procurement, production and processing to quality inspection. It has established long-term and stable strategic cooperative relations with many high-quality domestic fluorochemical production enterprises, realizing the large-scale and stable supply of 2,3,4-trifluoronitrobenzene products. The company has a professional warehousing base in Shanghai, equipped with special anti-corrosion, explosion-proof, and constant-temperature storage facilities, strictly following hazardous chemical storage specifications to ensure product storage safety and batch consistency. It can meet the full-cycle, multi-specification procurement needs of downstream customers from laboratory small-scale testing, pilot testing to commercial production, providing customers with reliable supply chain guarantee.

2. Professional Technical Service Capabilities

The application of fluorinated intermediates has extremely high requirements for purity, impurity control, and process adaptability. Xianchen Chemical has a professional technical service team composed of senior chemical R&D and application engineers, with solid professional backgrounds in fluorinated chemicals and rich industry application experience. The team can provide customers with detailed explanations of product technical parameters, analytical method support, process optimization suggestions in application, as well as R&D and production supporting for high-purity customized products, assisting customers in solving technical problems during product application, reducing trial and error costs in R&D and production, and realizing efficient adaptation of products and downstream processes.

3. Flexible Localized and Global Services

As a fine chemical enterprise rooted in China, Xianchen Chemical has a deep understanding of the regulatory requirements, industry trends, and customer needs of the Chinese local market. It can provide domestic customers with compliant products and localized technical support that meet local regulations such as the Regulations on the Safety Administration of Hazardous Chemicals, with efficient response and convenient service. At the same time, the company has complete import and export qualifications and global service capabilities, with its business covering major domestic chemical production areas and many countries and regions in Europe, the US, Southeast Asia, and South America. It is familiar with the regulatory compliance requirements and trade processes of different regions around the world. Faced with the complex international trade environment, the company can provide customers with safe and efficient supply chain solutions through flexible trade models and diversified market layouts, helping customers break through market access barriers and gain competitive advantages in the global market.

4. Compliant Operation and Green Sustainable Development

The company has always adhered to the concept of “compliant operation, safety first, green development”, strictly abiding by relevant domestic and international laws and regulations on hazardous chemicals, environmental protection, and safe production. All business activities are carried out within a legal and compliant framework. The company attaches great importance to the development of green fluorochemical technology, actively cooperating with cooperative production enterprises to promote the application of continuous and green synthesis processes, reducing the generation of three wastes during production, and strictly controlling the environmental compliance of products to provide customers with green and environmentally friendly fluorinated intermediate products. In the future, Shanghai Xianchen Chemical will continue to focus on the fluorinated fine chemical field, deepen strategic synergy with upstream and downstream partners, continuously optimize product structure and service quality, and promote the green, high-end, and sustainable development of the industry.

Choosing Shanghai Xianchen Chemical is not only choosing a high-quality supplier of fluorinated intermediates but also a trustworthy strategic partner. We will work hand in hand with you with professional capabilities, stable supply, and thoughtful services to explore the broad blue ocean of the fluorinated fine chemical market.

Contact Us Now to Start Cooperation!Official Website: www.xinchem.comEmail: sales1@xinchem.comWhatsApp: +86 18049800532