Description

3,4-Dibromotoluene is a high-purity brominated aromatic compound, serving as a versatile and critical building block in advanced organic synthesis. Its value lies in providing a functionalized toluene backbone for constructing complex molecules in pharmaceutical and agrochemical research. This intermediate is essential for manufacturers and R&D laboratories developing active ingredients, specialty chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Building block for creating herbicides, fungicides, and other crop protection agents.
• Liquid Crystal & OLED Material Production: Used in the synthesis of brominated aromatic cores for electronic display materials.
• Polymer & Resin Modification: Acts as a flame retardant precursor or a monomer for specialty polymers.
• Organic Synthesis & Catalysis: Valuable reagent in cross-coupling reactions (e.g., Suzuki, Stille) and for introducing bromine functional groups.
• Dye & Pigment Manufacturing: Intermediate in the production of complex organic colorants.

Basic Information

Product Name	3,4-Dibromotoluene
CAS No.	2943-34-2
Molecular Formula	C7H6Br2
Molecular Weight	249.93 g/mol
Synonyms	1,2-Dibromo-4-methylbenzene; 3,4-Dibromo-1-methylbenzene; Toluene-3,4-dibromide; 4-Methyl-1,2-dibromobenzene; Asymmetrical Dibromotoluene
EINECS	220-941-8

Quality Control

Our 3,4-Dibromotoluene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to verify identity and purity against stringent specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Melting Point	40 - 44 °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.