Chemical Name

4,4’-Dimethyl-diphenyl iodonium hexafluorophosphate

Chemical Structure

Molecular weight

454.13

CAS NO.

60565-88-0

Physical Properties

Appearance

White Powder

Purity(%)

≥98.0

Melting Point(℃)

175–180

Absorption(nm)

267

Applications

440 may be used as a UV photoinitiator for cationic curing systems   containing epoxy groups. Especially suitable for inks, adhesives and thick   pigmented TiO₂ coatings. Since 440 is non-benzene releasing and   has a low odour, it’s preferable for the food packaging.

Storage Conditions

440 is   sensitive to visible light and any exposure to sunlight should be avoided. Kept   at low/ambient temperature (below 50°C)   and dry conditions. Avoid contacting with alkaline additives and water

The product is   stable for 2 years if stored in original, sealed containers under   above-mentioned conditions.

Packaging

20Kg carton