Photoinitiators

Chemical IdentityLight Absorbtion Spectrum [nm]Brandname (where available)
2-Methyl-1-[4-(methylthio)phenyl]-2-(4-morpholinyl)-1-propanone230, 304IRGACURE 907
2-Benzyl-2-(dimethylamino)-1-[4-(4-morpholinyl) phenyl]-1-butanone233, 324IRGACURE 369
Mix of 1 weight part of Diphenyl (2,4,6-trimethylbenzoyl)-phosphine oxide and 1 weight part of 2-Hydroxy-2-methyl-1-phenyl-1-propanone240, 272, 380DAROCUR 4265
Iodonium, (4-methylphenyl)[4-(2-methylpropyl) phenyl]-,hexafluorophosphate(1-)242IRGACURE 250
2-Hydroxy-2-methyl-1-phenyl-1-propanone245, 280, 331DAROCUR 1173
1-Hydroxy-cyclohexyl-phenyl-ketone246, 280, 333IRGACURE 184
Mix of 1 weight part Phosphine oxide, phenyl bis (2,4,6-trimethyl benzoyl) to 4 weight parts of 2-Hydroxy-2-methyl-1-phenyl-1-propanone246, 282, 370IRGACURE 2022
Mix of 1 weight part 1-Hydroxy-cyclohexyl-phenyl-ketone to one weight part Benzophenone250, 332IRGACURE 500
Alpha, alpha-dimethoxy-alpha-phenylacetophenone250, 340IRGACURE 651
Mix of 3 weight parts 2-Benzyl-2-(dimethylamino)-1-[4-(4-morpholinyl) phenyl]-1-butanone to 7 weight parts of Alpha, alpha-dimethoxy-alpha-phenylacetophenone251, 323IRGACURE 1300
oxy-phenyl-acetic acid 2-[2 oxo-2phenyl-acetoxy-ethoxy]-ethyl ester and oxy-phenyl-acetic 2-[2-hydroxy-ethoxy]-ethyl ester255, 325IRGACURE 754
Methylbenzoylformate255, 325DAROCUR MBF
Not available275, 370IRGACURE 2100
2-Hydroxy-1-[4-(2-hydroxyethoxy)phenyl]-2-methyl-1-propanone276IRGACURE 2959
Diphenyl (2,4,6-trimethylbenzoyl)-phosphine oxide295, 368, 380, 393DAROCUR TPO
Phosphine oxide, phenyl bis (2,4,6-trimethyl benzoyl)295, 370IRGACURE 819
Phosphine oxide, phenyl bis (2,4,6-trimethyl benzoyl) (45% active) dispersed in water295, 370IRGACURE 819DW
Bis (eta 5-2,4-cyclopentadien-1-yl)Bis [2,6-difluoro-3-(1H-pyrrol-1-yl)phenyl]titanium398, 470IRGACURE 784

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