Date published: 2025-10-16

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4,4′-Bis(trimethylacetoxy)benzophenone (CAS 112004-83-8)

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Alternate Names:
2,2-Dimethyl-propanoic Acid 4-[4-(2,2-Dimethyl-1-oxopropoxy)benzoyl]phenyl Ester
CAS Number:
112004-83-8
Molecular Weight:
382.45
Molecular Formula:
C23H26O5
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4,4′-Bis(trimethylacetoxy)benzophenone is a photoinitiator that functions by absorbing light energy and initiating a chemical reaction. When exposed to UV light, 4,4′-Bis(trimethylacetoxy)benzophenone undergoes a photoreaction, leading to the generation of free radicals. These free radicals then initiate the polymerization of various monomers, leading to the formation of cross-linked polymer networks. 4,4′-Bis(Trimethylacetoxy)Benzophenone′s mechanism of action involves the abstraction of hydrogen atoms from the monomers, resulting in the formation of carbon-centered radicals. These radicals then react with other monomer molecules, leading to the propagation of the polymerization process. In this way, 4,4′-Bis(trimethylacetoxy)benzophenone plays a role in initiating and promoting the polymerization of various materials, making it a useful component in the development of photo-curable coatings, adhesives, and other polymer-based products.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4,4′-Bis(trimethylacetoxy)benzophenone, 50 mg

sc-210165
50 mg
$337.00