Description

Benzene, 1,4-Dibromo-2,5-Bis(1,1-Dimethylethyl)- is a high-purity, diaryl-substituted bromobenzene derivative, serving as a critical advanced organic intermediate for the synthesis of complex molecules. Its value lies in providing a sterically hindered, halogenated aromatic core that enables precise structural modifications in demanding chemical processes. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty materials sectors who require reliable, high-quality building blocks.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sterically hindered, halogenated aromatic motifs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its bromine atoms allow for further functionalization.
• Ligand and Catalyst Preparation: Serves as a precursor for creating specialized phosphine or N-heterocyclic carbene (NHC) ligands used in transition metal catalysis.
• Polymer and Material Science: Acts as a monomer or cross-linking agent in the development of high-performance polymers, liquid crystals, and organic electronic materials.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for Suzuki, Stille, or other palladium-catalyzed cross-coupling reactions.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and pigments due to its stable, substituted benzene structure.

Basic Information

Product Name	Benzene, 1,4-Dibromo-2,5-Bis(1,1-Dimethylethyl)-
CAS No.	22875-47-4
Molecular Formula	C14H20Br2
Molecular Weight	356.12 g/mol
Synonyms	1,4-Dibromo-2,5-di-tert-butylbenzene; 2,5-Di-tert-butyl-1,4-dibromobenzene; 1,4-Dibromo-2,5-bis(tert-butyl)benzene; Di-tert-butyl-dibromobenzene; 2,5-Di-t-butyl-1,4-dibromobenzene; Benzene, 1,4-dibromo-2,5-bis(1,1-dimethylethyl)- (9CI); 1,4-Dibromo-2,5-di-t-butylbenzene
EINECS	Contact for details

Quality Control

Our Benzene, 1,4-Dibromo-2,5-Bis(1,1-Dimethylethyl)- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We are committed to meeting the stringent requirements of cGMP and ISO 9001 standards for advanced chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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