Description

3-Bromo-4,5-Dimethylphenol is a halogenated phenolic compound that serves as a versatile intermediate in advanced organic synthesis. Its molecular structure, featuring both bromine and methyl substituents on the phenol ring, makes it a valuable building block for creating complex molecules with tailored properties. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring brominated phenolic scaffolds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its halogenated structure contributes to biological activity.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of specialty polymers, including high-performance resins and flame retardants.
• Material Science Research: Employed in the development of advanced organic materials, such as liquid crystals and organic semiconductors.
• Chemical Research: Serves as a standard or reagent in organic synthesis laboratories for coupling reactions and functional group transformations.
• Dye and Pigment Intermediate: Utilized in the synthesis of complex dyes and organic pigments due to its reactive phenolic and bromine groups.

Basic Information

Item	Details
Product Name	3-Bromo-4,5-Dimethylphenol
CAS No.	71942-14-8
Molecular Formula	C8H9BrO
Molecular Weight	201.06 g/mol
Synonyms	4,5-Dimethyl-3-bromophenol; 3-Bromo-4,5-xylenol; 3-Bromohomocatechol; 3-Bromo-4,5-dimethyl-1-hydroxybenzene; 1-Bromo-2-hydroxy-4,5-dimethylbenzene; 3-Brom-4,5-dimethylphenol (German); Bromure de 4,5-diméthyl-3-phénol (French)
EINECS	Contact for details

Quality Control

Our 3-Bromo-4,5-Dimethylphenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or amber glass until use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 99 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.