CAS:134-84-9
Molecular Formula:C14H12O
Molecular Weight:196.24
EINECS:205-159-1
Products
4-Methylbenzophenone CAS 134-84-9
4-Methylbenzophenone CAS 134-84-9 is a white flake solid with a density of 1.068g/cm³, refractive index of 1.534 and absorption wavelength of 260nm. 4-methylbenzopenone is a common photoinitiator.4-methylbenzopenone Mainly used for ultraviolet absorbers, pharmaceutical intermediates, UV curing coatings and inks.
| Item | Specification |
| Appearance | White crystals powder |
| Purity | 99.0%min |
| Melting Point | 53-57℃ |
| Boiling point | 326 °C(lit.) |
| Flash point | 143 °C |
| Loss on drying | ≤0.5% |
UV Printing Ink Systems
4-Methylbenzophenone is widely used in UV-curable offset inks, flexographic inks, and screen printing inks due to its excellent UV absorption capability and photosensitizing performance. It helps improve curing efficiency and surface drying speed in printing applications.
In UV printing formulations, it is often combined with Photoinitiator ITX and amine synergists to optimize curing performance.
UV Coatings & Varnishes
The product is suitable for UV wood coatings, plastic coatings, paper varnishes, and overprint varnishes requiring fast photocuring response and stable performance.
As part of the UV-curing chemical portfolio offered by Unisunchem, 4-Methylbenzophenone is widely used in industrial photocuring systems.
UV Adhesives
4-Methylbenzophenone can be used in photocurable adhesive systems to improve UV response and curing efficiency. It performs well in acrylate-based formulations together with Ethyl 4-dimethylaminobenzoate as a photosensitizer combination.
Photosensitive Materials
The product is also used in photoresists, photosensitive plates, and electronic materials requiring strong ultraviolet absorption and photocuring activity.
It can be formulated with Photoinitiator EMK to enhance light sensitivity in UV-curing systems.
Excellent UV Absorption Performance
4-Methylbenzophenone has strong ultraviolet absorption capability, which helps accelerate photocuring reactions in UV systems.
Good Photosensitizing Ability
The product functions effectively as a photosensitizer and can significantly improve photopolymerization efficiency when combined with amine synergists.
Broad Compatibility
It has good compatibility with UV inks, coatings, varnishes, adhesives, and various acrylate systems used in photocuring industries.
Suitable for High-Speed Printing
4-Methylbenzophenone is especially suitable for high-speed UV printing applications requiring rapid curing and excellent surface performance.
Wide Industrial Applications
The product is widely used in printing, coatings, adhesives, electronics, and photosensitive material industries. You can explore more related materials in our Photoinitiator Products collection.
25kg/drum or according to customer requirements.
Q1：What is 4-Methylbenzophenone used for?
4-Methylbenzophenone is mainly used as a UV photoinitiator intermediate and photosensitizer in UV inks, UV coatings, UV adhesives, and photosensitive materials.
Q2：Is 4-Methylbenzophenone suitable for UV printing inks?
Yes. It is widely used in offset printing inks, screen printing inks, and flexographic inks because of its excellent UV absorption and curing performance.
Q3：Can 4-Methylbenzophenone be used with other photoinitiators?
Yes. It is commonly formulated with Photoinitiator ITX, Photoinitiator EMK, and amine synergists to improve curing efficiency and photosensitivity.
Q4：What are the advantages of 4-Methylbenzophenone?
The product offers excellent UV absorption, fast photocuring response, broad formulation compatibility, and stable industrial performance.
Q5：Why choose Unisunchem photoinitiator materials?
Unisunchem supplies high-quality photoinitiators and UV-curing raw materials with stable quality, professional technical support, and customized formulation solutions.
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