1,2-Dibromobenzene with the CAS number 583-53-9 is a chemical compound available in factory supply at the best price. It is an aromatic compound with the molecular formula C₆H₄Br₂. The molecular weight of 1,2 - Dibromobenzene is approximately 235.90 g/mol. It appears as a colorless to pale - yellow liquid under normal conditions. Its boiling point is about 224 - 226 °C, and the melting point ranges from -7 °C to -6 °C. It has a density of around 1.988 g/cm³ at 25 °C.
1,2 - Dibromobenzene is insoluble in water but soluble in organic solvents such as ethanol, ether, and benzene. This solubility property is crucial for its various applications in the chemical industry.
1,2 - Dibromobenzene has a wide range of uses in different fields. In the pharmaceutical industry, it serves as an important intermediate for the synthesis of various drugs. Its unique chemical structure allows it to participate in specific chemical reactions that are essential for the formation of drug molecules. For example, it can be used in the synthesis of certain anti - inflammatory and analgesic drugs.
In the field of materials science, 1,2 - Dibromobenzene is used in the production of polymers. It can be incorporated into polymer chains to modify the physical and chemical properties of the polymers, such as improving their thermal stability and mechanical strength. It is also used as a starting material for the synthesis of liquid crystals, which are widely used in display technologies.
In organic synthesis, it is a valuable reagent for the introduction of bromine atoms into organic molecules. Brominated compounds are often used as intermediates in the synthesis of more complex organic compounds.
When using 1,2 - Dibromobenzene, proper safety precautions should be taken. It is recommended to wear appropriate protective clothing, gloves, and eye protection. The compound should be handled in a well - ventilated area to avoid inhalation of its vapors.
In a laboratory setting, when using it for chemical reactions, accurate measurement of the compound is necessary. Usually, it can be measured by volume using a pipette or by mass using a balance. The reaction conditions, such as temperature, pressure, and reaction time, should be carefully controlled according to the specific reaction requirements. For example, in some reactions, it may need to be heated under reflux conditions.
After the reaction, proper waste disposal methods should be followed. Unused 1,2 - Dibromobenzene and reaction by - products should be disposed of in accordance with local environmental regulations.
Caso 1: Síntesis farmacéutica
In a pharmaceutical research project, 1,2 - Dibromobenzene was used as an intermediate in the synthesis of a new anti - cancer drug. First, 1,2 - Dibromobenzene was reacted with a specific amine compound under basic conditions. The reaction was carried out in an organic solvent at a temperature of 80 °C for 6 hours. After purification, the resulting product was further reacted with other reagents to form the final drug molecule. The use of 1,2 - Dibromobenzene in this synthesis was crucial for introducing the necessary structural elements into the drug molecule.
Caso 2: Producción de polímeros
In a polymer manufacturing plant, 1,2 - Dibromobenzene was used to modify a polyester polymer. It was added to the polymer reaction mixture during the polymerization process. The presence of 1,2 - Dibromobenzene improved the flame - retardant properties of the resulting polymer. The polymer was then used in the production of electronic components, where flame - retardancy is a critical requirement.
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