Description

Bis(4-Bromophenyl)Disulfide is a high-purity organosulfur compound featuring two 4-bromophenyl groups linked by a disulfide bond. This specialized chemical serves as a critical building block and intermediate in advanced organic synthesis and materials science. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and polymer sectors for applications requiring precise brominated aromatic structures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfur or bromine functionalities.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the disulfide and bromophenyl groups contribute to biological activity.
• Polymer & Material Science: Acts as a cross-linking agent, chain transfer agent, or monomer in the production of specialty polymers and high-performance materials.
• Ligand & Catalyst Preparation: Employed in the preparation of ligands for metal catalysis and in the development of new catalytic systems.
• Organic Synthesis Building Block: Utilized in various coupling reactions and as a versatile intermediate for constructing complex molecules in research and development.
• Analytical Reference Standard: Serves as a certified reference material for quality control and analytical method development in chemical analysis.

Basic Information

Product Name	Bis(4-Bromophenyl)Disulfide
CAS No.	5335-84-2
Molecular Formula	C12H8Br2S2
Molecular Weight	376.13 g/mol
Synonyms	4,4'-Dibromodiphenyl Disulfide; 1-Bromo-4-[(4-bromophenyl)disulfanyl]benzene; Bis(p-bromophenyl) Disulfide; p-Bromophenyl Disulfide; Di(4-bromophenyl) Disulfide; NSC 403108; (p-BrC6H4S)2
EINECS	226-246-4

Quality Control

Our Bis(4-Bromophenyl)Disulfide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting all critical quality attributes to support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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