CAS 77771-02-9|3-Bromo-4-fluorobenzaldehyde

‌3-Bromo-4-fluorobenzaldehyde‌ is an organic compound with the chemical formula C7H4BrFO and a molecular weight of 203.0085. Its CAS registration number is 77771-02-9 and its EINECS registration number is 278-764-1‌.
4-Fluoro-3-bromobenzaldehyde is a white to light yellow solid with a special odor. It is soluble in ethanol and acetone, but less soluble in water.

In the field of pesticides, 3-Bromo-4-fluorobenzaldehyde is used as an intermediate in the synthesis of pesticides. The bromine and fluorine atoms introduced by it may give the pesticides specific biological activity, thereby improving the insecticidal, fungicidal or weeding effects of the pesticides.

3-Bromo-4-fluorobenzaldehyde is also used to synthesize a new type of polypropylene nucleating and transparent agent 3,4-dimethylbenzylidene sorbitol, which is a new generation of non-toxic plastic additives, widely used in food packaging materials and other fields.

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