Description

2,2'-Bis(2-Chlorophenyl)-4,4',5,5'-Tetraphenyl-1,1'-Biimidazole is a high-purity, specialized organic compound primarily used as a photoinitiator and free radical generator. Its value lies in its ability to efficiently initiate polymerization reactions upon exposure to specific wavelengths of light, making it a critical component in advanced manufacturing processes. This product is essential for industries requiring precise and controlled curing, such as photoresist formulation for electronics, UV-curable inks and coatings, and advanced polymer synthesis.

Application

• Photoinitiator for UV-Curable Systems: A key component in the formulation of UV-curable inks, coatings, adhesives, and resins for industrial and graphic arts applications.
• Photoresist Chemistry: Used in the production of photoresists for printed circuit boards (PCBs) and semiconductor microfabrication, where precise patterning is critical.
• Free Radical Polymerization: Serves as an efficient initiator for controlled radical polymerization reactions in advanced polymer and material science research.
• Optical Data Storage: A potential component in materials used for high-density optical recording media.
• Holographic Recording: Employed in the development of photosensitive materials for holography and optical data storage devices.
• Chemical Synthesis Intermediate: Acts as a building block or precursor in the synthesis of more complex organic molecules and functional materials.

Basic Information

Product Name	2,2'-Bis(2-Chlorophenyl)-4,4',5,5'-Tetraphenyl-1,1'-Biimidazole
CAS No.	1707-68-2
Molecular Formula	C44H28Cl2N4
Molecular Weight	683.62 g/mol
Synonyms	o-Cl-HABI; 2,2'-Bis(o-chlorophenyl)-4,4',5,5'-tetraphenylbiimidazole; 1H-Imidazole, 1,1'-(1,2-ethanediylidene)bis[2-(2-chlorophenyl)-4,5-diphenyl-; BCPI; BIS(2-CHLOROPHENYL)-4,4',5,5'-TETRAPHENYL-2,2'-BIIMIDAZOLE; 2-(2-Chlorophenyl)-4,5-diphenylimidazole dimer; Photopolymerization initiator 2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole
EINECS	Contact for details

Quality Control

Our 2,2'-Bis(2-Chlorophenyl)-4,4',5,5'-Tetraphenyl-1,1'-Biimidazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the stringent requirements of advanced photochemical applications. Certificates of Analysis (COA) detailing purity, physical characteristics, and performance data are provided with every shipment to guarantee batch-to-batch consistency and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is light-sensitive (store away from light). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to light yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	205 - 210 °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.