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.
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.