CAS:2351-37-3 | [1,1'-Biphenyl]-4,4'-dicarbonyl Dichloride

The molecular formula of [1,1'-Biphenyl]-4,4'-dicarbonyl Dichloride is C₁₄H₈Cl₂O₂, the molecular weight is about 277.12 g/mol, the appearance is white to off-white crystalline powder or solid, the melting point is about 100–105 °C (due to slight differences in purity), and the boiling point is relatively high (easy to decompose under normal pressure, requiring reduced pressure distillation). This substance is insoluble in water, but easily soluble in organic solvents such as dichloromethane and tetrahydrofuran. It has the typical chemical activity of acyl chlorides, and is easily hydrolyzed in water or moisture to generate diphenyl dicarboxylic acid and release hydrogen chloride. It can undergo acylation reactions with nucleophilic reagents such as alcohols and amines to generate esters or amides. It has active chemical properties and needs to be sealed and stored in a dry environment to avoid contact with humid air. It needs to be protected during operation because it is corrosive and irritating to the skin and mucous membranes.

[1,1'-Biphenyl]-4,4'-dicarbonyl dichloride is commonly used as an important reagent and intermediate in organic synthesis.

• Organic Synthesis: Mainly used in the synthesis of other organic compounds, especially for the manufacture of high performance polymers and other functional materials.
• Medicinal chemistry: used as intermediates in drug synthesis and sometimes in the synthesis of biologically active molecules.
• Materials Science: [1,1'-Biphenyl]-4,4'-dicarbonyl dichloride is used in the manufacture of polymeric materials with specific properties, such as high-temperature resistant materials and high-strength plastics.

• [1,1'-Biphenyl]-4,4'-dicarbonyl Dichloride requires necessary safety precautions when handling, such as wearing chemical protective gloves, goggles and protective clothing.
• It is an organochlorine compound, so it is irritating to a certain extent. Avoid contact with skin and eyes.
• When storing and handling, keep away from heat and fire sources, and keep the container sealed to prevent volatilization and contact with moisture.
• When handling this compound, it is necessary to follow safe operating procedures and ensure that the operating environment is well ventilated.

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