Description

Chlorothioxanthone is a specialized organic compound belonging to the thioxanthone class, valued for its unique photochemical properties. This chemical serves as a critical intermediate and functional additive in advanced material synthesis, where its specific structure enables key performance characteristics. It is primarily sought by manufacturers in the polymer, coating, and specialty chemical industries for applications requiring precise light-initiated reactions or as a building block for high-performance materials.

Application

• As a photoinitiator or photosensitizer component in UV-curable inks, coatings, and adhesives.
• Key intermediate in the synthesis of advanced pharmaceutical compounds and agrochemicals.
• Used in research and development for organic light-emitting diodes (OLEDs) and other electronic materials.
• Employed in the production of specialty polymers and high-performance engineering plastics.
• Acts as a catalyst or ligand precursor in specific organic synthesis and polymerization reactions.
• Potential use in the formulation of optical brighteners and dyes for technical applications.

Basic Information

Product Name	Chlorothioxanthone
CAS No.	72896-34-5
Molecular Formula	C₁₃H₇ClOS
Molecular Weight	246.71 g/mol
Synonyms	2-Chlorothioxanthen-9-one; 9H-Thioxanthen-9-one, 2-chloro-; Chlorothioxanthenone; 2-Chloro-9H-thioxanthen-9-one; CTX
EINECS	Contact for details

Quality Control

Our Chlorothioxanthone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes results from techniques such as HPLC, GC, and NMR spectroscopy. Our quality commitment ensures the material meets the precise specifications required for your industrial or research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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