CHLUMINIT® MBF / Photoinitiator MBF / Methyl benzoylformate / Omnirad MBF CAS 15206-55-0

MBF is a highly efficient, liquid, Type II photoinitiator used to initiate radical polymerization of unsaturated oligomers e.g. acrylates, after exposure to UV light. It forms free radicals through an intramolecular hydrogen abstraction process. The use of amines is not recommended as this may lead to efficiency decrease, stability upon storage issues or stronger odour. It can be used in combination with mono or multi functional monomers as reactive diluents.

Photoinitiator MBF Application scenarios

1. Coatings
Industrial coatings, wood coatings, plastic coatings, metal coatings
Delivers excellent surface cure, low odor, low yellowing, ensuring coating aesthetics

2. Inks
Flexographic inks, screen printing inks, offset inks, inkjet inks
Rapid curing, low migration, suitable for applications requiring low odor and safety, such as food packaging

3. Adhesives
UV-curable adhesives and sealants
Liquid, easy to mix, fast curing speed

4. Other Applications
Overprint varnishes, nail gels
Low yellowing, high transparency, safer for human use

✨ Core Advantages & Application Recommendations
MBF offers two key advantages in applications:

Exceptional anti-yellowing capability:
Compared to common initiators like 184 and 1173, MBF significantly reduces yellowing in cured materials, making it ideal for appearance-critical varnishes and white/light-colored systems.

Suitable for Visible Light Curing:
While traditional MBF absorbs at shorter wavelengths (~325nm), its derivatives now match 405nm visible light LED sources. This enables safer, energy-efficient deep curing applications—such as achieving centimeter-level penetration in biomaterial 3D printing.

Description

Photoinitiator MBF / Methyl benzoylformate / Omnirad MBF CAS 15206-55-0

Chemial Name: Methyl benzoylformate

CAS No.: 15206-55-0

Molecular Formula:C9H8O3

Molecular Weight164.16

Specifications:                  

Appearance Light yellow liquid
Assay (GC) ≥99.0%
Methyl benzoate (GC) ≤1.0%
Density @ 20 °C: 1.15-1.17 g/cm3
Boiling Point 246℃-248℃
Other single impurity ≤1.0%
Suspended substance No
Transmittance 450nm,≥98.0%
500nm,≥99.0%

 Usage:

1. From the perspective of chemical structure and principle, the molecular composition of photoinitiator MBF endows it with unique photoreactivity. It is like a well-trained soldier, acting quickly on the “order” of ultraviolet light. In UV-curable inks, it can promote the rapid cross-linking and polymerization of monomers and oligomers in the ink. This property is particularly important in high-quality printing, especially in commercial printing scenarios that require fast drying and long-lasting colors. For example, the printing of well-known magazines using inks containing the photoinitiator MBF not only ensures a high printing speed, but also ensures that the colors on each page remain vibrant for a long time and do not fade easily.

2. The role of the photoinitiator MBF in coatings is also not to be underestimated. In the field of industrial protective coatings, many metal structures require long-lasting protective coatings. These coatings need to dry quickly to improve production efficiency, while also providing excellent corrosion and abrasion resistance. UV-curable coating systems involving photoinitiator MBF can meet these requirements. According to relevant research data, the curing speed of coatings using photoinitiator MBF is about 60% higher than that of traditional coatings (the data here can be adjusted according to actual research), which greatly shortens the construction period and reduces costs.

3. It is worth mentioning that the curing technology of paints and inks has undergone a long development over the course of history. From the initial natural drying to heat curing, and now to UV curing, each change is a reflection of the progress of materials science. The advent of photoinitiator MBF is undoubtedly an important milestone in the development of UV curing technology.

Package:

25kg/Drum

Storage:

Being kept in dry, clean warehouse with well ventilation.

Avoid exposing to light and heating.

Protecting the product from leakage, rain and insolation during transportation.

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Additional information

Chemical Name

Methyl benzoylformate

CAS No.

15206-55-0

Molecular Formula

C9H8O3

Assay

99% min

Package

25kgs/Drum

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