Diphenyleneiodonium (DPI)

Diphenyleneiodonium (DPI) is a high-quality industrial chemical widely used in coatings, adhesives, inks, resins, plastics, and specialty formulations. It offers reliable performance, chemical stability, and consistent processing characteristics, making it suitable for modern manufacturing and advanced industrial applications.

Technical Specifications
Absorption 0.50%
Acid Value ≤ 0.5mg
Volatility Non-volatile
Packing Available 30kg Can, 200kg Drum
Melting Point 210–215°C
Appearance Clear to light yellow liquid
Odour Odorless
Molecular Weight 284.01 g/mol
Boiling Point –
Distillation Range –
Freezing Point –
Specific Gravity –
Refractive Index 1.52 at 20 °C
Flash Point 200°C
Specific Heat 1.5kJ/kg·K
Autoignition Temp 410°C

Description

Diphenyleneiodonium (DPI) is a free-radical initiator/photoinitiator used to start polymerization, enabling controlled cure in UV/EB or thermal systems.

Uses

UV curing systems, electronics coatings, printing inks

Benefits

High photo efficiency, deep UV curing, stable polymerization

Safety, Compliance & Notes

Thermal Conductivity 0.15W/m·K.
Electrical Conductivity 1.00E-09S/cm
Heat of Formation -300kJ/mol
Heat of Vaporization –
Structure
CAS Number 2443-87-6
EINECS Number 278-331-5
Storage & Packaging Keep tightly closed in a cool, ventilated area; avoid shock/heat; follow SDS for segregation and transport classification. (Applicable to Diphenyleneiodonium (DPI) handling.)
Product Stewardship Use only in industrial settings with trained personnel; follow SDS, local regulations, and waste management rules; maintain traceability by batch/COA. (For Diphenyleneiodonium (DPI).)
Note Note: For Diphenyleneiodonium (DPI), verify active content/assay, shelf life, and handling restrictions from the latest SDS/TDS before use.
Notice NOTICE: This sheet is a compilation aid; always rely on the latest supplier documentation and applicable legal requirements for safe handling and performance. (For Diphenyleneiodonium (DPI).)

Additional information

Weight

1 kg, 10 kg, 30 kg, 200 kg