- Name: Irgacure 651 (Benzil Dimethyl Ketal)
- CAS No.: 24650-42-8
- Appearance: White crystalline powder
- Purity/Assay: ≥99.5%
- Package: 20kg/carton
- Capacity: 500mt per year
Irgacure 651 (Benzil Dimethyl Ketal) CAS 24650-42-8
Description
CAS 24650-42-8 (Benzil Dimethyl Ketal) Quick Details
Chemical Name: Benzil Dimethyl Ketal/irgacure 651/Photoinitiator BDK/2,2-Dimethoxy-2-phenylacetophenone
CAS No.: 24650-42-8
Molecular Formula: C16H16O3
Chemical Structure:
Molecular weight: 256.3
Appearance: White crystalline powder
Assay: ≥99.5%
Typical Properties
| Item | Specifications | |
| Appearance | White powder or crystalline powder | |
| Purity, % | ≥99.5 | |
| Melting point range, ℃ | 64.0~67.0 | |
| Loss on drying, % | ≤0.5 | |
| Moisture, % | ≤0.5 | |
| Residue on ignition, % | ≤0.1 | |
| Transmittance , %(10% toluene solution) | 425nm | ≥95.0 |
| 450nm | ≥96.0 | |
| 500nm | ≥98.0 | |
CAS 24650-42-8 (Benzil Dimethyl Ketal) Usage
BDK is widely used in UV curing systems, PCB ink, and other UV ink systems and varnish systems have strong absorption performance.
UV-Curable Coatings and Inks – Used to formulate UV-curable varnishes, coatings, screen printing inks, offset inks, and flexographic inks. They provide fast, efficient curing and improve production efficiency.
Adhesives – Used to formulate UV-curable adhesives for applications in electronics, medical, and optics, achieving fast, precise bonding.
Photoresists – Used as a component in photoresist formulations in the electronics industry and microfabrication, they are used for photoimaging and circuit patterning.
Packaging and Shipping
PE plastic bag, lined with white PE plastic bag; 20 kg/ drum.
CAS 24650-42-8 (Benzil Dimethyl Ketal) Storage
Shelf life: 12 months from date of manufacture in original unopened packaging stored in a cool dry place.
Out of direct sunlight.