Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate CAS NO.84434-11-7

TPO-L is used as an initiator for very low yellowing, white pigmented UV-lacquers, UV screen printing inks, UV offset and UV flexo inks, overprint varnishes, paper lacquers, photoresists, printing plates, stereolithography, etc. It can be used to cure paints and surfacers pigmented with titanium dioxide. Provides very low yellowing, low volatility and low odour.

Tianjin Radchem Technology Co., Ltd. (www.radchemtech.com) was founded in 2018 by a team with more than ten years of R&D, production and marketing experience in the industries of photoinitiators, coatings & plastic functional materials and drug synthesis. It integrates research, production and marketing, and committed to developing characteristic products and applications. At present, the company has a school-enterprise cooperative laboratory, two pilot laboratories, and two production cooperation factories, mainly responsible for the scale-up and commercial production of technical projects, and the annual capacity of special photoinitiators, characteristic functional materials and pharmaceutical intermediates up to 1,000 tons.
TPO-L is used as an initiator for very low yellowing, white pigmented UV-lacquers, UV screen printing inks, UV offset and UV flexo inks, overprint varnishes, paper lacquers, photoresists, printing plates, stereolithography, etc. It can be used to cure paints and surfacers pigmented with titanium dioxide. Provides very low yellowing, low volatility and low odour.Low yellowing,LED385/375

UV absorption Peak:242nm, 280nm，370nmEC No.: 282-810-6
Molecular formula: C18H21O3P Acid value: （mgKOH／g） : ≤1.0
Gardner color scale:: ≤8