4,4'-Bis(diethylamino) benzophenone CAS 90-93-7
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Product Description
Product Details
Introduction
4,4'-Bis(diethylamino) benzophenone, also known as photoinitiator EMK, is a benzophenone derivative containing a bis(diethylamino)substituent.
Product Specifications
| Item | Specification |
| Appearance | Light yellow crystal powder |
| Content % (HPLC) ≥ | ≥99% |
| Melting Point ℃ | 94-97 |
| UV Absorption Peak | 248,374nm |
Application
It is a key intermediate in the synthesis of triarylmethane dyes (such as basic brilliant blue BO, R), and participates in condensation reactions through its amino structure to generate complex dye molecules. As a photosensitizer for UV-curable coatings and inks, it releases free radicals under ultraviolet light to promote polymer cross-linking and curing.
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