BASF IRGACURE 379 is a Type I free-radical UV photoinitiator in the IRGACURE series, 2-(4-methylbenzyl)-2-(dimethylamino)-1-(4-morpholinophenyl)-1-butanone, pale yellow powder, higher solubility/curing efficiency than IRG 369, ideal for UV inks/varnishes/photoresists, compoundable with IRG 184/651 for enhanced curing.
Efficient UV initiation - Rapid free-radical generation under UV, suitable for colored systems, improving curing speed and through-cure
High solubility - Better solubility than IRG 369, suitable for various viscosity systems, easy to add and disperse
Excellent compounding synergy - Compatible with most monomers/oligomers, compoundable for enhanced surface curing
Good thermal stability - Thermally stable, easy-to-disperse powder, suitable for various film thicknesses
Imaging/electronic compatibility - Suitable for photoresists/solder masks, ensuring fine-pattern curing, improving resolution
UV-curable inks - Offset/screen inks, improving curing speed and surface curing, ideal for thin coats
UV varnish systems - Clear varnishes, ensuring transparency and long-term weatherability, suitable for outdoor scenarios
Photoresists - Ensuring imaging precision, suitable for printing plates/UV-curable resins
Electronic solder masks - PCB solder masks, suitable for fine-pattern curing, improving adhesion/chemical resistance
Colored coatings - Suitable for dark coatings, ensuring curing efficiency and color stability
| Brand | BASF |
| Chemical Type | Type I free-radical UV photoinitiator (α-amino ketone) |
| Chemical Name | 2-(4-methylbenzyl)-2-(dimethylamino)-1-(4-morpholinophenyl)-1-butanone |
| CAS No | 119344-86-4 |
| Appearance (25℃) | Pale yellow powder |
| Molecular Weight | 380.5 g/mol |
| Melting Point | 82-87℃ |
| Absorption Peaks | 233nm, 320nm (in methanol) |
| Density (20℃) | 1.22g/cm³ (reference) |
| Flash Point | >150℃ (reference) |
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