Xi'an Sonwu Biotech Co., Ltd. is one of the most professional manufacturers and suppliers of thioxanthen-9-one powder in China. We warmly welcome yuo to wholesale bulk thioxanthen-9-one powder for sale here from our factory. Quality products and reasonable price are available.
What Is Thioxanthen-9-one
Thioxanthen-9-one Powder, CAS number 492-22-8, is a member of the sulfur-containing aromatic ketone class of compounds with a fused aromatic ring structure. The molecule exhibits substantial light absorption and photochemical activity because to its simultaneous presence of sulfur atoms, a carbonyl group, and a massive π-conjugated system.
The most important characteristics of 9-thioxanthenone are its photosensitization ability and excited-state reactivity. It can absorb ultraviolet light to enter an excited state and participate in chemical reactions through mechanisms such as triplet energy transfer (EnT), hydrogen atom transfer (HAT), and single electron transfer (SET). It possesses excellent ultraviolet light absorption properties and is mainly used in photochemical research, the synthesis of photoinitiators and their derivatives, ultraviolet-curable materials, coatings, inks, and polymerization reactions. It can also be used as an intermediate in organic synthesis. Thioxanthen-9-one has a high triplet energy and a relatively long triplet lifetime, which is one of the main reasons for its high photochemical reactivity.
It is important to note that thioxanone-9-one is not entirely the same as commercially available thioxanone photoinitiators, many of which are substituted derivatives. This compound has low water solubility; therefore, suitable organic solvents or other solubilizing systems must be considered if it is used in formulation development. Overall, CAS 492-22-8 is more suitable as a raw material/intermediate in chemical research, materials science, and photochemistry than as a raw material for general food or nutritional supplements.
Where To Buy Thioxanthen-9-one
Xi'an Sonwu Biotech Co. Ltd. has rich experience in the global trade and health industry. Insisting on faith-based and quality first is our company's principle. We strictly control product quality, which means selection starts from raw materials. Besides, we handle every detail and reduce the cost to the maximum extent, then our customers can get cost-effective products. Based on these, customers have given much good feedback to our products. So you can look for Xi'an Sonwu Biotech Co. Ltd. when you want to buy 9-thioxanthenone.
Xi'an Sonwu completely makes sure of the product's quality, so samples can be supplied. Here is the quantity.
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1kg |
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Customers' Good Comment
How It Works in Applications
1. Applications in the field of UV curing
UV curing technology is one of the important application areas of this product and its related derivatives. UV curing utilizes ultraviolet light irradiation to rapidly polymerize active monomers and oligomers in coatings, inks, adhesives, or resin systems, quickly forming a solid film from a liquid or semi-liquid state.
UV curing can be finished in less time than traditional thermosetting, which usually calls for high temperatures and lengthy curing times. This offers benefits including quick curing durations, great production efficiency, comparatively low energy usage, and compatibility with heat-sensitive substrates.
In this system, its structures can serve as important components of photosensitive components or photoinitiating systems. Thioxanthen-9-one derivatives, in particular, have certain application advantages in systems requiring specific ultraviolet absorption ranges.
Potential applications include UV coatings, UV inks, UV adhesives, electronic material coatings, photocurable resins, and some 3D printing photocurable materials.
2. Applications in Coatings and Inks
This product and its derivatives are also closely related to UV-curable coatings and inks. UV inks are widely used in packaging printing, labeling, industrial printing, and some electronic product manufacturing.
In UV ink systems, the photoinitiator must effectively absorb UV light to initiate the polymerization reaction. If the photoinitiator's absorption wavelength is appropriately matched to the light source, it can improve the light energy use efficiency and speed up coating curing.
Thioxanthen-9-one compounds are therefore widely used as essential structures in the research and development of photoinitiation systems. By increasing its solubility, compatibility, and photoinitiation efficiency in resins, thioxanthen-9-one can be chemically changed to make it more suitable for a variety of commercial formulations.
3. Role in Organic Synthesis
Thioxanthen-9-one Powder is useful as an intermediate in organic synthesis in addition to its photochemical uses. Through a variety of chemical processes, its fused aromatic structure can be further altered to produce derivatives with distinct optical and electrical characteristics.
Researchers can functionalize different positions on its aromatic ring according to the requirements of the final application. For example, by introducing halogen, alkyl, alkoxy, or other electron donor/acceptor groups, the electronic structure of the entire molecule can be altered.
Therefore, it can serve as one of the fundamental structures for developing novel photosensitive compounds, functional organic materials, and organic optoelectronic materials.
Benzophenone vs Thioxanthen-9-one
They are both photosensitive aromatic ketones with comparable uses in UV curing, organic photocatalysis, and photochemistry. Nevertheless, there are different in their molecular structures, photophysical characteristics, and important practical uses. Thioxanthen-9-one, on the other hand, has a fused tricyclic structure with a sulfur atom and a 9-keto group in the middle ring, resulting in a bigger π-conjugated system, whereas benzophenone has a comparatively simple structure with two benzene rings and a carbonyl group. Their light absorption qualities, excited-state characteristics, and capacity to transfer electrons or hydrogen with co-initiators all differ as a result of this structural difference.
In terms of photochemical working principles, both can absorb light energy to enter an excited state, and then further form highly reactive excited states, especially triplet states. Benzophenone is a classic Type II photoinitiator. Upon UV irradiation, it forms excited-state benzophenone, which can then abstract hydrogen atoms from amines, alcohols, or other suitable hydrogen donors, generating free radicals and initiating monomer polymerization. Thioxanthen-9-one also possesses a long-lived excited state and participates in reactions through hydrogen atom transfer (HAT), single electron transfer (SET), and energy transfer (EnT), thus offering richer applications in modern photo-redox catalysis and photosensitization research.
While Thioxanthen-9-one and its derivatives show good long-wavelength UV absorption characteristics and robust photosensitization capabilities, benzophenone is a traditional, well-established, and inexpensive photoinitiator system in UV curing. In order to initiate the polymerization of monomers like acrylates, benzophenone usually needs a tertiary amine co-initiator, such as benzophenone + amine + UV light, where excited-state benzophenone combines with the amine via hydrogen or electron transfer to form free radicals.
Additionally, the two are different in terms of formulation and solubility. Since neither is a perfect water-soluble substance, solubilization, emulsification, or the usage of suitable water-dispersible derivatives are typically required in aqueous systems. The specific solubility and resin compatibility of thioxanthen must be ascertained in conjunction with the solvent and substitution structure due to its bigger fused aromatic structure. Benzophenone, on the other hand, has a simpler structure, a smaller molecule, and a relatively mature formulation expertise in a variety of organic solvents and resin systems. For commercial UV curing, the basic Thioxanthen-9-one is often not used directly. Instead, functionalized derivatives like 2-Isopropylthioxanthone (ITX) and 2-Chlorothioxanthone are employed to improve absorption wavelength, solubility, and photoinitiation capabilities.
Both Thioxanthen and its derivatives can also form combined systems with other photoinitiators or co-initiators. For example, Benzophenone is often used in combination with tertiary amine co-initiators; Thioxanthen-9-one and its derivatives can also be combined with amine co-initiators to form free radicals under UV irradiation. Additionally, derivatives of thioxanthen can create synergistic systems with metal catalysts, organic photosensitizers, or other photocatalysts, facilitating chemical synthesis reactions that are challenging to accomplish with conventional single catalysts. Therefore, from the perspective of "photoinitiator formulation," there is a certain degree of substitution between the two; however, from the perspective of "photo-oxidation-reduction organic synthesis catalysts," they cannot be simply considered completely equivalent.
In short, if we compare their product positioning: Benzophenone leans more towards a "classic, mature, and relatively low-cost UV photosensitive/photoinitiating system," while 9-thioxanthenone leans more towards a "thioxanthenone-based photosensitizer/photocatalyst with strong photosensitization capabilities and a richer excited-state chemistry." For UV coatings, inks, and adhesives, the choice can be made between these two and their derivatives based on the light source and resin system. However, for photoredox organic synthesis, free radical reactions, or C-H functionalization, Thioxanthen-9-one and its derivatives are generally more valuable for research.
Factory
1. Xi'an Sonwu has a factory with sufficient stock. In addition, Xi'an Sonwu has a clean and tidy production department with advanced equipment. Under the company's leadership, researchers continue to develop new products to meet customers' needs.
2. Xi'an Sonwu has advanced testing equipment and professional testing personnel, all of which show that Xi'an Sonwu aims to provide accurate and effective data and good service.
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Logistics Update
In addition to guaranteeing product quality, the other most vital thing is clients could receive the goods smoothly. So, Xi'an Sonwu supplies all kinds of couriers according to different needs.
Company's Profile
Xi'an Sonwu Biotech Co., Ltd is a professional Chinese manufacturer and products supplier. It was founded in 2012 and is located in the Hi-Tech Industrial Zone, Xi'an City, Shaanxi Province, China. It pays all attention to the development, research, and production of food additives, plants, extract, APl, and other ingredients of health care products. The company supplies five kinds of raw material products: Anti-hair loss Powders, Nootropic, API, Muscle Building products, and Plant Extract. Xi'an Sonwu sincerely believes that the premise of great cooperation is the best service and good quality. So, welcome your inquiry.
And if you want to know the Thioxanthen-9-one Powder price, please contact XI'an Sonwu.
Email: sales@sonwu.com
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