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irgacure 651 cas 24650-42-8

Assay: 99%

Appearance: White crystalline powder

Capacity: 500mt per year

Packaging: 20kg/carton

Sample: Available

related documents:

  • COA of Photoinitiator BDK
  • TDS of Photoinitiator BDK


Irgacure 651Quick Details

Chemical Name: Irgacure 651

CAS No.: 24650-42-8

Molecular Formula: C16H16O3

Irgacure 651 Structure:Irgacure 651 Structure

Molecular weight: 256.3

Appearance: Whitecrystalline powder

Assay: ≥99%

Irgacure 651Typical 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

Irgacure 651Usage

1. Irgacure 651 is a photoinitiator that is widely used in UV curing systems. Strong absorption in inks, varnishes and other systems. It is mainly used as a light curing agent for UV curing systems and is used in ink, paper and metal paints. Store in a sealed package, protected from light and heat.

2. It is widely used in the polymerization of acrylate and monomer and the polymerization and crosslinking of unsaturated polyester. It has been applied in coatings and adhesives.

For example

The combination of photoinitiator 819 and IRGACURE 651 is particularly suitable for curing polyester/styrene resin systems, such as glass fiber reinforced materials.

Irgacure 651Packaging and Shipping

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

Irgacure 651Storage

Shelf life:12months fromdateof manufacture in original unopened packaging stored in a cool dry place.

out of direct sunlight.

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