Irgacure 250 (CAS 344562-80-7) Product Guide
Table of Contents
- Product Overview & Specifications
- Key Applications & Use Cases
- Performance Comparison with Alternatives
- Industry-Specific Case Studies
- Procurement Guidance
- Contact for Technical Consultation
1. Product Overview & Specifications
| Parameter | Irgacure 250 | CAS Number | 344562-80-7 |
|---|---|---|---|
| Chemical Name | Bis(2,4,6-trimethylbenzoyl)-phenylphosphineoxide | ||
| Molecular Formula | C27H27O3P | Molecular Weight | 434.48 g/mol |
| Appearance | Off-white powder | Solubility | Excellent in acrylates, methacrylates |
| UV Absorption | 240-450 nm | Storage | 2-8°C in dark containers |
2. Key Applications & Use Cases
Primary Function: High-performance Type I photoinitiator for UV curing systems
- Industrial Coatings: Automotive clear coats, metal decoration
- Printing Inks: Flexographic, offset, and screen printing
- Adhesives: Instant-cure structural adhesives
- 3D Printing: SLA/DLP resin formulations
- Electronics: Conformal coatings, encapsulants
3. Performance Comparison
| Property | Irgacure 250 | Irgacure 184 | Irgacure 651 |
|---|---|---|---|
| Curing Speed | ★★★★★ | ★★★☆☆ | ★★★★☆ |
| Yellowing Resistance | Excellent | Good | Moderate |
| Volatility | Low | High | Medium |
4. Industry Case Studies
Case 1: Automotive Coating Manufacturer (Germany)
- Challenge: Reduce curing time for polyurethane clear coats
- Solution: 1.5% Irgacure 250 in hybrid UV/thermal system
- Result: 40% faster production, VDA 6.1 compliance achieved
Case 2: Electronics Encapsulant Producer (Japan)
- Challenge: Prevent delamination in chip-on-board packaging
- Solution: 0.8% Irgacure 250 in epoxy acrylate matrix
- Result: 99.97% adhesion retention after 1000hrs 85°C/85% RH
5. Procurement Guidance
Critical Selection Factors:
- UV Lamp Compatibility: Matches 350-420nm LED systems
- Regulatory Compliance: REACH, FDA 21 CFR 175.300
- Batch Consistency: ≤0.5% variation in photoactivity
6. Technical Consultation
Contact our material scientists for formulation support:
Email: info@vivalr.com
Tel: (86) 15866781826
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