Irgacure 651 (Benzil Dimethyl Ketal) CAS 24650-42-8
Synonyms: Benzil Dimethyl Ketal/Photoinitiator BDK/2,2-Dimethoxy-2-phenylacetophenone
Assay: ≥99.5%
Appearance: White crystalline powder
Capacity: 500mt per year
Packaging: 20kg/carton
Sample: Available
related documents:
COA of Photoinitiator BDK
TDS of Photoinitiator BDK
Request for product documents
Table of Contents
Irgacure 651 (Benzil Dimethyl Ketal) Technical Profile
CAS 24650-42-8 Essential Specifications
| Parameter | Specification |
|---|---|
| Molecular Formula | C16H16O2 |
| Molecular Weight | 256.3 g/mol |
| Appearance | White crystalline powder |
| Melting Point | 64-67°C |
| Absorption Range | 250-350 nm |
| Recommended Loading | 1-5% wt in formulations |
Material Safety Data
| Property | Value |
|---|---|
| Flash Point | >150°C |
| Storage Conditions | 2-8°C in dark containers |
| Shelf Life | 24 months unopened |
Industrial Applications Breakdown
UV-Curable System Applications
- Printing Inks: Enables rapid curing in offset/flexographic printing
- Industrial Coatings: Automotive clear coats & anti-corrosion layers
- Adhesives: Fast-setting structural bonds for electronics
- 3D Printing: Supports SLA/DLP polymerization processes
Technical Implementation Scenarios
Case 1: High-Speed Packaging Inks
European printer achieved 40% faster curing speeds using 3% Irgacure 651 in food-grade UV inks, maintaining compliance with EU 10/2011 standards.
Case 2: Automotive Headlight Coatings
Japanese OEM reduced yellowing in polycarbonate coatings through optimized 651/184 photoinitiator blends, achieving Δb<2 after 2000h Xenon testing.
Verified Client Implementations
| Client | Industry | Results |
|---|---|---|
| Shanghai New Material Co. | Electronics | 30% reduction in VOC emissions |
| Munich Coatings GmbH | Automotive | 15% faster production cycle |
Performance Benchmarking
| Parameter | Irgacure 651 | Irgacure 184 | Irgacure 907 |
|---|---|---|---|
| Curing Speed | ★★★ | ★★★★ | ★★ |
| Yellowing Resistance | ★★★★ | ★★ | ★★★ |
| Solubility | ★★★★ | ★★★ | ★★ |
Technical Support & Commercial Inquiry
Contact our photochemistry specialists:
Email: info@vivalr.com
Tel: (86) 15866781826
Request formulation guidance or MSDS documentation:
- Custom blending ratios for specific substrates
- Regulatory compliance consultation
- Bulk order technical support
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