Description

4'-(Dimethylamino)-2,2,2-Tris(4-(Dimethylamino)Phenyl)Acetophenone is a specialized photoinitiator belonging to the amino ketone class, designed for advanced photopolymerization applications. Its core value lies in its high efficiency and reactivity under UV light, enabling rapid curing and enhanced performance in demanding formulations. This compound is essential for manufacturers in the photoresist, advanced coatings, and specialty ink industries who require precise control over the initiation step of polymerization.

Application

• UV-Curable Coatings & Inks: A key photoinitiator for high-performance wood, plastic, and metal coatings, as well as graphic arts and packaging inks requiring fast cure speeds and excellent surface finish.
• Photoresists & Microelectronics: Used in the formulation of photoresists for printed circuit boards (PCBs) and semiconductor fabrication, where precise patterning and high resolution are critical.
• Dental & Medical Composites: Employed in light-curable dental restorative materials and biocompatible medical device coatings.
• Adhesives & Sealants: Facilitates rapid curing in industrial and optical adhesives, enhancing bond strength and production efficiency.
• 3D Printing (Stereolithography): Acts as a photoinitiator in resin formulations for additive manufacturing, contributing to layer accuracy and mechanical properties of printed parts.
• Optical Fiber Coatings: Used in the production of protective, UV-cured coatings for optical fibers.

Basic Information

Product Name	4'-(Dimethylamino)-2,2,2-Tris(4-(Dimethylamino)Phenyl)Acetophenone
CAS No.	14500-16-4
Molecular Formula	C34H39N4O
Molecular Weight	519.70 g/mol
Synonyms	4'-(Dimethylamino)-2,2,2-tris[4-(dimethylamino)phenyl]acetophenone; Tris(4-(dimethylamino)phenyl)methyl 4-(dimethylamino)phenyl ketone; 2,2,2-Tris(4-(dimethylamino)phenyl)-1-(4-(dimethylamino)phenyl)ethanone; Amino Ketone Photoinitiator; UV Photoinitiator 14500-16-4
EINECS	Contact for details

Quality Control

Every batch of our 4'-(Dimethylamino)-2,2,2-Tris(4-(Dimethylamino)Phenyl)Acetophenone undergoes rigorous analytical testing to ensure consistent purity and performance. Our quality assurance protocol includes advanced chromatographic methods to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing assay, related substances, and physical properties is provided with each shipment to support your quality management systems.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.