IGM Omnirad EHA is a high-efficiency tertiary amine UV photoinitiator synergist in the Omnirad series, designed for UV free radical curing systems. Its core component is 2-Ethylhexyl 4-(dimethylamino)benzoate, a key auxiliary additive in UV curing reactions. When used with Type II photoinitiators, it can synergize efficiently, promote free radical generation, reduce the impact of oxygen inhibition, and quickly drive the polymerization of acrylates and other unsaturated oligomer
Outstanding synergistic effect - Combined with Type II photoinitiators, it greatly improves initiation efficiency, accelerates curing speed and enhances curing uniformity
Low oxygen inhibition advantage - Effectively relieves the inhibition of oxygen on curing reaction, optimizes surface curing effect and avoids surface stickiness
High transparency adaptation - Excellent light transmission performance, high transmittance at 425nm and 500nm, suitable for transparent and light-colored UV systems
Easy liquid control - Pale yellow transparent liquid, easy to dissolve and add, accurate measurement, convenient storage and transportation
High purity and stability - High purity, low volatile content, excellent batch consistency, no performance attenuation during long-term storage
UV ink field - Offset, screen, flexo and inkjet inks, improve curing efficiency, ensure printing precision and adhesion
UV coating field - Wood, plastic, metal UV coatings, optimize curing effect, enhance film weather resistance and gloss
Transparent varnish field - Overprint varnishes, wood varnishes, maintain high transparency of coatings, no yellowing and no residual odor
Photosensitive material field - Synthesize high-efficiency photosensitive materials, suitable for optoelectronic and printing photosensitive related scenarios
Universal UV system - Various UV free radical curing systems, assist in improving performance and reducing comprehensive formula cost
| Brand | IGM (Omnirad® series) |
| Chemical Type | Tertiary amine UV photoinitiator synergist |
| Alias | 2-Ethylhexyl 4-(dimethylamino)benzoate, Photoinitiator EHA Synergist |
| CAS No | 21245-02-3 |
| Appearance (25℃) | Pale yellow transparent liquid |
| Purity | ≥99.0% |
| Molecular Weight | 277.39g/mol |
| Boiling Point | 200-210℃ (5mmHg) |
| Melting Point | < -20℃ |
| Density (20℃) | 0.99-1.01g/cm³ |
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