Chemical Name: 2,2-Bis(2-chlorophenyl)-4,4,5,5-tetraphenyl-1,2-biimidazole
CAS No: 7189-82-4
Molecular formula: C42H28Cl2N4
Molecular Weight: 659.60
Package: 25kg cardboard drum
Structural Formula:
Specification
Item
|
Index
|
Appearance
|
Yellow crystal powder
|
Melting point (℃)
|
194
|
Boiling point (℃) at 760 mmHg
|
810.3
|
Assay % ≥
|
99
|
Loss on drying % ≤
|
0.30
|
Toluene insoluble % ≤
|
0.05
|
Flash point (℃)
|
443.9
|
Refractive index nD20
|
1.675
|
Density g/cm3
|
1.24
|
Properties: Yellow crystal powder.
Application: As the photoinitiator for UV curing systermof inks, coatings.
Storage Notes: Sealed stored in cold, dry, good ventilated place, avoid direct sunlight.