Sinocure® BDK / Benzil Dimethyl Ketal CAS 24650-42-8

Product Name: Sinocure® BDK

Chemical Name: Benzil Dimethyl Ketal

Synonym: Omnirad BDK;Omnirad 651;Irgacure 651;Speedcure BDK;Speedcure BKL;RC651 BDK;DOUBLECURE BDK;GKCH BDK; 2,2-Dimethoxy-2-phenylacetophenone

CAS No.:24650-42-8

Molecular Formula: C16H16O3

Chemical Structure:Benzil Dimethyl Ketal Structure

Molecular weight:256.3

Appearance:Whitecrystalline powder



Benzil Dimethyl Ketal CAS 24650-42-8

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


Benzil Dimethyl Ketal Usage

Absorption wavelength: 220nm, 255nm, 325nm.

Photoinitiator BDK is a highly efficient UV curing initiator, mainly used as an initiator of UV curing reaction, triggering unsaturated pre-polymerization system of UV ticketing reaction, with strong absorption properties. Such as in UV-curable coatings, UV-curable inks and other products used as initiators of radiation curing.

Such products mainly include: UV-curable floor coatings, plastic coatings, optical fiber coatings, optical disc coatings, light-curing solder resist inks for circuit boards, light-curing sign inks, etc. In addition, there are also great applications in light-curable paper varnish coatings.

Unsaturated polyester/styrene-based topcoats for wood or wood substitute surfaces, fillers, acrylate inks and varnishes for paper, metal, plastic surfaces, resist and printing plates.



Benzil Dimethyl Ketal Packaging and Shipping

PE plastic bag, lined with white PE plastic bag; 20 kg/ carton.


Benzil Dimethyl Ketal Storage

Store under cool, dry and light-proof conditions.


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