Octabenzone CAS 1843-05-6
Chemical Name: Octabenzone
Synonyms: UV-531; Cyasorb UV 531; UV Absorber UV-531; 2-Hydroxy-4-n-octyloxybenzophenone; Benzophenones-12; Octabenzone UV-531
CAS NO.: 1843-05-6
Molecular Formula: C21H26O3
Molecular Weight: 326.43
Appearance: Light yellow crystalline powder
Assay: ≥99%
Octabenzone CAS 1843-05-6: Comprehensive Product Guide
Table of Contents
1. Product Overview & Specifications
Chemical Name: Octabenzone
CAS Number: 1843-05-6
Molecular Formula: C21H26O3
Molecular Weight: 326.43 g/mol
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | ≥99% |
| Melting Point | 48-52°C |
| Solubility | Insoluble in water, soluble in organic solvents |
2. Key Applications & Industrial Uses
Primary Functional Roles:
- UV absorber in polymer stabilization
- Light stabilizer for PVC products
- Performance additive in coatings and adhesives
- Secondary plasticizer in specialty polymers
Industry-Specific Applications:
| Industry | Application Detail |
|---|---|
| Plastics Manufacturing | Prevents yellowing in PVC cables and films |
| Paints & Coatings | Enhances weather resistance in outdoor applications |
| Adhesive Production | Maintains bond strength under UV exposure |
3. Performance Comparison with Alternatives
| Parameter | Octabenzone | UV-P | Tinuvin 328 |
|---|---|---|---|
| UV Absorption Range | 280-360 nm | 270-350 nm | 290-400 nm |
| Thermal Stability | Up to 220°C | 200°C | 250°C |
| Compatibility with PVC | Excellent | Good | Moderate |
4. Implementation Case Studies
Case 1: PVC Cable Manufacturing
Challenge: Premature cracking in outdoor cable jackets
Solution: 0.8-1.2% Octabenzone addition
Result: 300% increase in outdoor service life
Case 2: Automotive Interior Components
Challenge: Color fading in dashboard plastics
Solution: 1.5% Octabenzone masterbatch
Result: Maintained color stability after 2,000 hrs Xenon testing
5. Verified Customer Success Stories
Customer 1: European Polymer Solutions Ltd.
Application: UV-stable agricultural films
Implementation: 12-month field testing
Outcome: Reduced film replacement frequency by 40%
Customer 2: Asia Coatings Group
Application: Marine anti-fouling coatings
Implementation: 18-month salt spray testing
Outcome: Achieved ASTM B117 compliance at lower cost
6. Request Customized Solutions
Contact our technical team for application-specific formulations:
Email: info@vivalr.com
Phone: (86) 15866781826
Request parameters for optimal results:
- Base material specifications
- Processing temperature range
- Target performance metrics
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