CAS:6626-15-9 | 4-Bromobenzene-1,3-diol

CAS:6626-15-9 corresponds to 4-Bromobenzene-1,3-diol, also known as 4-Bromoresorcinol. Its molecular formula is C₆H₅BrO₂ and its molecular weight is 189.01 g/mol.

4-Bromobenzene-1,3-diol typically appears as white to pale yellow crystals or powder, with a density of approximately 1.5555 g/cm³, a melting point of 97-100 °C (lit.), a boiling point of 150 °C/12 mmHg (lit.), and a flash point of 136.8°C.

Uses:

Dye industry: 4-Bromobenzene-1,3-diol serves as an intermediate for synthesizing azo dyes and reactive dyes. It imparts excellent light resistance and stability to textiles, leather, and other materials. The benzene ring structure and bromine substituents facilitate the formation of a stable chromophoric system, meeting diverse color requirements.

Rubber and polymer materials: This compound functions as a metal corrosion inhibitor and polymer stabilizer. It protects material surfaces and extends product lifespan through chemical adsorption or free radical capture mechanisms. In rubber additives, it enhances processing properties and mechanical strength of rubber.
Method of Preparation:
4-Bromobenzene-1,3-diol can be made by reacting resorcinol with an electrophilic brominating reagent such as bromine. The reaction will be carried out under alkaline conditions to facilitate the bromination reaction.

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