Description

1,2-Benzenediol, 3-Bromo-5-Methyl- (9Ci) is a halogenated dihydroxybenzene derivative, a versatile and high-purity synthetic intermediate. This compound is valued for its unique substitution pattern, which makes it a critical building block in advanced organic synthesis and pharmaceutical research. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those requiring a brominated catechol moiety for biological activity or further functionalization.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators where the bromo and methyl groups impart specific properties.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized chelating ligands used in catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of high-performance polymers, such as polycarbonates and epoxy resins, to alter thermal or mechanical properties.
• Organic Electronic Materials: Investigated as a core structure for developing organic semiconductors and charge-transport materials due to its electron-donating hydroxyl groups.
• Chemical Research & Development: Employed in academic and industrial labs for methodological studies, including cross-coupling reactions and regioselective transformations.

Basic Information

Product Name	1,2-Benzenediol, 3-Bromo-5-Methyl- (9Ci)
CAS No.	117654-19-0
Molecular Formula	C7H7BrO2
Molecular Weight	203.04 g/mol
Synonyms	3-Bromo-5-methylbenzene-1,2-diol; 3-Bromo-5-methylcatechol; 5-Methyl-3-bromocatechol; 3-Bromo-5-methyl-1,2-benzenediol; 2-Bromo-6-methylresorcinol (incorrect but common misnomer); 3-Bromo-5-methylpyrocatechol; Bromomethylcatechol
EINECS	Contact for details

Quality Control

Our 1,2-Benzenediol, 3-Bromo-5-Methyl- (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.