Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

IGM Omnirad MBF UV Photoinitiator

IGM Omnirad MBF is a high-efficiency liquid UV photoinitiator in the Omnirad® series, formerly BASF IRG MBF, chemical name Methyl Benzoylformate, light yellow liquid. It forms free radicals through molecular hydrogen abstraction, efficiently initiates UV polymerization of unsaturated oligomers and acrylate monomers, not recommended with amines, compatible with most organic solvents, excellent pollution resistance after curing.

Features Of IGM Omnirad MBF UV Photoinitiator

  1. Efficient free radical initiation - Hydrogen abstraction Type II initiation, rapidly initiates polymerization, excellent curing efficiency

  2. Low color change and pollution resistance - Minimal color change after curing and aging, excellent surface pollution resistance

  3. Liquid easy processing - Good fluidity, easy to add and mix, suitable for large-scale industrial production

  4. Broad system compatibility - Compatible with most organic solvents and acrylate systems, strong versatility

  5. Suitable for reactive dilution - Can be matched with mono/multi-functional monomers as reactive diluents to optimize formulation performance

Typical Applications Of IGM Omnirad MBF UV Photoinitiator

  1. Wood clear varnish - UV transparent coating for wood surfaces, pollution-resistant, non-yellowing, improving texture

  2. Plastic clear coating - Clear varnish for plastic substrates, suitable for various plastics, ensuring long-term appearance stability

  3. Transparent printing ink - Low color change, suitable for high-end transparent ink, improving print weatherability

  4. Optical component coating - Low color change without affecting optical performance, suitable for optical component surface curing

  5. UV curing coating - Industrial UV coating requiring low color change and high surface performance, suitable for multiple scenarios

Specifications Of IGM Omnirad MBF UV Photoinitiator

ModelOmnirad MBF (former BASF IRG MBF)
BrandIGM (Omnirad® series)
Chemical TypeFree-radical Type II liquid UV photoinitiator
Chemical NameMethyl benzoylformate
CAS No15206-55-0
Molecular FormulaC9H8O3
Molecular Weight164.05 g/mol
Appearance (25℃)Light yellow liquid
Density (20℃)1.162 g/mL
Viscosity (20℃)4.5 mm²/s


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