Irgacure® 651

2,2-Dimethoxy-1,2-diphenylethan-1-one. Used as photoinitiator in topcoats based on unsaturated polyester/styrene.

Details

CAS

24650-42-8

Producer
Supplier
Chemical Composition

2,2-Dimethoxy-1,2-diphenylethan-1-one

Other Applications

coating of wood and wood substitutes
inks
clear coatings based on acrylates for paper, metal and plastic materials
printing plates
photoresists
reactive and radiation curing adhesives

Technical data

Quantity Value Unit Comment
Appearance Properties
Physical state powder
Physical Properties
Solubility 26 g/100 g , 20°C in trimethylolpropanetrisacrylate
Solubility g/100 g , 20°C in oligomeric triacrylate
Solubility >50 g/100 g , 20°C in toluene
Solubility 41 g/100 g , 20°C in methanol
Solubility 30 g/100 g , 20°C in hexanedioldiacrylate
Solubility >50 g/100 g , 20°C in butylacetate
Solubility >50 g/100 g , 20°C in acetone
Chemical Properties
Acidity number 64 - 67 mg KOH/g

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