Description
irgacure 651 (benzil dimethyl ketal)
CAS 24650-42-8 (Benzil Dimethyl Ketal) Quick Details
Chemical Name: Benzil Dimethyl Ketal/irgacure 651/Photoinitiator BDK
CAS No.:24650-42-8
Molecular Formula: C16H16O3
Chemical Structure:
Molecular weight:256.3
Appearance:White crystalline powder
Assay:≥99.5%
CAS 24650-42-8 (Benzil Dimethyl Ketal)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 system, PCB ink and other UV ink system and varnish system have strong absorption performance.
CAS 24650-42-8 (Benzil Dimethyl Ketal) 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:12months from date of manufacture in original unopened packaging stored in a cool dry place.
out of direct sunlight.