Description

Diphenyliodonium Bromide is a versatile and highly reactive iodonium salt with the CAS number 1483-73-4. It serves as a critical photoinitiator and catalyst in advanced polymerization and organic synthesis processes. This compound is essential for manufacturers and R&D laboratories in the photoresist, electronics, and specialty polymer industries seeking efficient cationic photoinitiation.

Application

• Photoinitiator for Cationic Polymerization: A key component in UV-curable inks, coatings, adhesives, and photoresists for electronics.
• Catalyst in Organic Synthesis: Facilitates various cross-coupling and arylation reactions to construct complex organic molecules.
• Photoresist Formulation: Used in the production of semiconductor and printed circuit board (PCB) photoresists for precise patterning.
• Polymer Modification: Acts as a functionalizing agent to introduce phenyl groups into polymer backbones.
• Research & Development: A valuable reagent in academic and industrial labs for developing new synthetic methodologies.
• Curing Agent: Enables the rapid, low-temperature curing of epoxy and other resin systems under UV light.

Basic Information

Product Name	Diphenyliodonium Bromide
CAS No.	1483-73-4
Molecular Formula	C12H10BrI
Molecular Weight	361.02 g/mol
Synonyms	Diphenyliodonium bromide; Iodonium, diphenyl-, bromide; Diphenyl-λ³-iodanyl bromide; Bromodiphenyliodonium; Diphenyliodine Bromide; (Diphenyl-λ³-iodanyl)bromide; Phenyliodonium Bromide (common name); DPI-Br
EINECS	Contact for details

Quality Control

Our Diphenyliodonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets high-grade specifications for research and industrial applications. 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 place at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. Due to its light-sensitive nature, containers should be kept in the dark.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	218 - 222 °C (dec.)
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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