5-Bromo-2-chloro-4-ethoxydiphenylmethane: Chemical Profile, Properties, and Considerations

What is 5-Bromo-2-chloro-4-ethoxydiphenylmethane?

5-Bromo-2-chloro-4-ethoxydiphenylmethane belongs to the arylmethane family, with a bromo and chloro group attached to a diphenylmethane core, modified further by an ethoxy substituent. This chemical features a unique benzene structure with halogen and alkoxy functional groups, making it useful in specialty chemical processes and advanced intermediate synthesis in pharmaceutical and fine chemical industries. For someone who has spent time in laboratories and chemical warehouses, the complex arrangement of this molecule often signals a balance between reactivity and stability, allowing precision in downstream applications.

Molecular Structure and Formula

The molecular formula for 5-Bromo-2-chloro-4-ethoxydiphenylmethane is C15H14BrClO. The core features two connected phenyl rings, with a methylene bridge between them. Substitution with a bromine atom at the fifth position, a chlorine atom at the second position, and an ethoxy group at the fourth position of one aromatic ring modifies its chemical character considerably. Structure determines both the role of the chemical and the safety protocols needed for handling; as with many brominated aromatics, handling by those without proper chemical safety awareness could pose risks.

Physical Properties and Appearance

One can identify 5-Bromo-2-chloro-4-ethoxydiphenylmethane as a solid at room temperature, often isolated in flakes, crystalline powder, or rarely as irregular pearls, with an off-white to pale yellow hue. Density tends to range from about 1.4 to 1.5 g/cm3, typical for compounds with heavy halogen content. Those in chemical production know that such a material, if crushed or granulated, can compact well, but care must be taken to avoid the formation of dust, a common issue when weighing or transferring from storage containers. It stays insoluble in water but dissolves in most organic solvents—ether, chloroform, and dichloromethane being common choices for creating laboratory solutions or further chemical manipulations.

Specification and Detailed Characteristics

A detailed specification sheet from trusted suppliers would show purity typically above 98%, water content less than 0.5%, with melting points often spanning 80 to 85°C. Moisture-sensitivity for this compound is not a critical problem under standard storage, though prolonged exposure to atmospheric humidity should be avoided due to possible hydrolytic degradation. For researchers and plant engineers, the fine crystal nature and moderate melting point allow for both scalable reactions and lab-bench experimentation. Volume measurements for solution preparation (such as grams per liter) lead to accurate downstream processing, whether in pilot synthesis or analytical calibration.

HS Code and Raw Material Sourcing

The Harmonized System (HS) Code for this chemical tends to fall under halogenated aromatic hydrocarbons, often referenced as 2903399090 or similar classifications (bearing in mind international customs distinctions). When dealing with import or export, familiarity with the proper tariff code can make the difference in getting customs clearance without delays. Raw materials typically start from benzene derivatives, chloro- and bromo-aromatic intermediates, and ethoxylated reagents. Sourcing from suppliers who regularly audit their material origins and update their material safety data sheets ensures safer and more consistent batch quality, reducing risk in both research and production environments.

Hazardous and Chemical Safety Considerations

Anyone who has worked hands-on with halogenated organics understands the need for personal protective equipment when weighing, mixing, or dissolving 5-Bromo-2-chloro-4-ethoxydiphenylmethane. Inhalation of dust or contact with eyes and skin can cause irritation, and accidental ingestion by untrained personnel poses significant health risks. Material safety data sheets confirm its classification as harmful, with chronic exposure risk leading to concerns such as organ toxicity or environmental persistence. Proper disposal must follow regional regulations for hazardous chemical waste. Chemical fume hoods, protective clothing, and regular air monitoring all become daily realities for those in facilities handling bulk quantities of such raw materials.

Role as a Raw Material and Applications

5-Bromo-2-chloro-4-ethoxydiphenylmethane often serves as a critical intermediate in the synthesis of more complex molecules, particularly in pharmaceutical research and certain additive manufacturing. The unique placement of bromine and chlorine on the aromatic ring provides activation points for subsequent reactions, such as cross-coupling or nucleophilic substitution, which are pivotal for creating tailored molecular scaffolds. In practical settings, accurate weighing and dissolution allow for reproducible yields and minimized byproduct formation. Close attention to purity helps avoid unwanted side reactions that could compromise drug candidate safety or efficacy. Those developing new formulations gain a direct appreciation for the quality and consistency required from each batch of raw material.

Potential Solutions for Safer Handling and Waste Management

With hazardous chemicals like 5-Bromo-2-chloro-4-ethoxydiphenylmethane, solutions exist to improve both safety and sustainability. Investing in closed-system transfer mechanisms limits operator contact with solids and dust, a real concern for labs and production lines alike. Automated weighing and solvent dispensing help reduce repetitive exposure. Additional efforts, such as on-site waste solvent distillation or bromine recovery, contribute to cleaner operations and cost savings. Partnering with certified hazardous waste handlers ensures compliance with environmental standards and reduces liability from accidental spills or mismanaged disposal. Ongoing chemical safety training builds a culture of responsibility, protecting both workers and the environment from the persistent risks associated with halogenated aromatic compounds.