Description

2-Dodecyl-9H-Thioxanthen-9-One 10,10-Dioxide is a high-purity specialty chemical belonging to the thioxanthone derivative class. This compound is valued for its role as a highly effective photoinitiator in advanced polymer chemistry and UV-curable systems. It is essential for manufacturers in the coatings, inks, adhesives, and electronics industries seeking to enhance the performance and efficiency of their light-induced curing processes. The product is supplied under stringent quality control to ensure batch-to-batch consistency for critical industrial applications.

Application

• UV-Curable Coatings & Inks: Acts as a key photoinitiator for rapid curing in wood, plastic, and metal coatings, as well as graphic arts and printing inks.
• Photopolymerization: Initiates polymerization in advanced resin systems for 3D printing (stereolithography) and photoresists.
• Adhesive Formulations: Used in UV-curable adhesives and sealants for electronics assembly, medical devices, and optical bonding.
• Dental & Medical Materials: Facilitates the curing of light-activated dental composites, restorative materials, and biocompatible polymers.
• Optical Fiber Coatings: Employed in the production of protective, UV-cured coatings for optical fibers.
• Electronic Encapsulants: Used in the formulation of protective, cured coatings for semiconductors and circuit boards.
• Research & Development: Serves as a critical reagent in academic and industrial R&D for developing new photopolymerizable materials.

Basic Information

Product Name	2-Dodecyl-9H-Thioxanthen-9-One 10,10-Dioxide
CAS No.	82799-47-1
Molecular Formula	C25H32O3S
Molecular Weight	412.58 g/mol
Synonyms	2-Dodecylthioxanthone Sulfone; Dodecyl Thioxanthone Sulfone; 2-Dodecylthioxanthen-9-one 10,10-Dioxide; 2-Laurylthioxanthone Sulfone; Photoinitiator DTS; DTS (Photoinitiator); 2-Dodecyl-9H-thioxanthen-9-one S,S-dioxide; 2-n-Dodecylthioxanthone Sulfone
EINECS	Contact for details

Quality Control

Our 2-Dodecyl-9H-Thioxanthen-9-One 10,10-Dioxide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance as a photoinitiator. We provide full traceability and Certificates of Analysis (COA) are available upon request, confirming compliance with agreed specifications for industrial and advanced material applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining under an inert gas atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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