中固化学® 127 is a highly efficient free radical type I photoinitiator with low volatility, low odor, and high activity which could combine with acrylic monomers to initiate the photopolymerization of unsaturated prepolymers such as acrylates. It is suitable for UV inks and clear coatings, especially for thin coatings.
中固化学®127
Chemical Name: 2-hydroxy-1-[4-[4-(2-hydroxy-2-methylpropionyl)benzyl)phenyl)-2-methylpropan-1-one
CAS No: 474510-57-1
Molecular Formula: C21H24O4
Molecular Structure:

中固化学® 127 is a highly efficient free radical type I photoinitiator with low volatility, low odor, and high activity which could combine with acrylic monomers to initiate the photopolymerization of unsaturated prepolymers such as acrylates. It is suitable for UV inks and clear coatings, especially for thin coatings.
| Appearance | Off-white to slight yellow solid |
| Purity, % | ≥98 |
| Melting point, ℃ | 84.3 |
| Absorption peak, nm | 259 |
中固化学® 127 is suitable for low viscosity coating formulations such as clear, inkjet ink, flexographic ink,etc with low sensitivity to oxygen inhibition and good surface curing effect.
中固化学® 127can be used for clear varnish and topcoat with odor requirements with low volatility and odor after solidification.
中固化学® 127 can be used alone or in combination with suitable initiators, for UV curable inks and semi transparent systems.
The recommended dosage:
| Clear coats | 1.0 – 6.0 % |
| Free-radical systems inks | 2.0 – 5.0 %, combined with 中固化学 379 or 中固化学 819,etc. |
| Cationic systems inks | 0.5 – 2.0 % combined with 中固化学 250,Etc. |
20kg/carton; 25kg/drum or bag
Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating.
运输过程中防止泄漏、雨淋和曝晒。