CAS:24650-42-8
Molecular Formula:C16H16O3
Molecular Weight:256.3
EINECS:246-386-6
Products
2,2-Dimethoxy-2-phenylacetophenone CAS 24650-42-8
Benzoin dimethyl ether is white crystal, melting point 64.0-67.0℃, soluble in acetone, ethyl acetate, hot methanol, isopropyl alcohol, insoluble in water, easy to decompose in acid, stable in alkaline, sensitive to light. Benzoin dimethyl ether is stored in closed packaging, away from light and heat.
| Item | Specification |
| Melting point | 67-70 °C |
| Boiling point | 169°C 7mm |
| Density | 1.1320 |
| Vapor pressure | 0.002Pa at 25℃ |
| Refractive index | 1.5590 |
| Flash point | 190 °C |
| LogP | 2.95 at 25℃ |
Application
UV-Curable Inks
2,2-Dimethoxy-2-phenylacetophenone is widely used in offset printing ink, flexographic ink, and screen printing ink due to its excellent free radical initiation efficiency. It enables rapid curing under UV light and improves printing productivity.
In high-speed printing systems, it is often formulated together with Photoinitiator TPO to optimize surface curing and low-yellowing performance.
UV Adhesives
As a classic Type I photoinitiator, this product is suitable for photocuring adhesives requiring fast polymerization and strong curing response. It can effectively initiate acrylate monomers and oligomers in UV adhesive systems.
It is commonly used with 2PO-NPGDA and other reactive monomers to improve crosslink density and adhesion performance.
UV Coatings & Varnishes
The product is suitable for UV wood coatings, plastic coatings, paper varnishes, and metal coatings. It provides excellent curing speed and high gloss in radiation-curing formulations.
As part of the photocuring product portfolio supplied by Unisunchem, it is widely applied in industrial UV-curing systems.
Photosensitive Resin & Electronics
2,2-Dimethoxy-2-phenylacetophenone is also used in photoresists, electronic materials, and photosensitive resin applications requiring rapid UV response and reliable curing efficiency.
Key Advantages
High Photoinitiation Efficiency
The product quickly generates free radicals under UV irradiation, enabling rapid polymerization and efficient curing performance.
Fast UV Curing Speed
2,2-Dimethoxy-2-phenylacetophenone delivers fast curing response in inks, coatings, and adhesives, helping improve production efficiency in industrial UV systems.
Excellent Compatibility
It has good compatibility with acrylate monomers, unsaturated polyester resins, and UV oligomers commonly used in photocuring formulations.
Suitable for Multiple UV Systems
The product performs well in UV coatings, UV inks, varnishes, adhesives, and photosensitive materials.
Reliable Industrial Performance
Due to its stable curing efficiency and broad application compatibility, this photoinitiator is widely used in modern radiation-curing industries.
25kg/drum or according to customer requirements.
FAQ
Q1：What is 2,2-Dimethoxy-2-phenylacetophenone used for?
It is mainly used as a UV photoinitiator in UV inks, UV coatings, UV adhesives, varnishes, and photosensitive resin systems.
Q2：Is 2,2-Dimethoxy-2-phenylacetophenone suitable for UV inks?
Yes. The product provides rapid curing speed and excellent polymerization performance, making it highly suitable for offset, flexographic, and screen printing inks.
Q3：Can this photoinitiator be used with other photoinitiators?
Yes. It is commonly combined with Photoinitiator TPO and Photoinitiator 184 to optimize curing depth, surface curing, and yellowing resistance.
Q4：What are the advantages of this photoinitiator?
The product offers fast curing speed, strong initiation ability, excellent compatibility, and broad application in UV-curing formulations.
Q5：Why choose Unisun Chem photoinitiators?
Unisunchem supplies high-quality photoinitiators with stable quality, technical support, and customized UV-curing solutions for coatings, inks, adhesives, and electronics industries.
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