Solvent Red 135 (CAS 71902-17-5 / 20749-68-2) Technical Guide
Table of Contents
1. Product Specifications & Comparison
| Parameter | Solvent Red 135 |
|---|---|
| CAS Number | 71902-17-5 / 20749-68-2* |
| Molecular Formula | C18H6Cl4N2O |
| Molecular Weight | 408.0650 |
| Aliases | Solvent Red 162, C.I. 564120, 8,9,10,11-Tetrachloro-12H-isoindolo(2,1-a)perimidin-12-one |
| Appearance | Bright Red Powder |
*CAS numbers vary by supplier. Verify with your provider.
2. Key Applications
Primary Uses:
- Plastics Coloring: High-performance dye for hard PVC, PS, ABS, PMMA, and engineering plastics.
- Textile & Inks: Solvent-based inks, metal markers, and specialty coatings.
- Industrial Stability: Resists heat (up to 280°C), UV light, and migration.
3. Usage Guidelines
Recommended Workflow:
- Dosage: 0.01–0.5% by weight, depending on substrate and desired opacity.
- Mixing: Dissolve in organic solvents (e.g., acetone, toluene) before adding to polymers.
- Processing: Compatible with injection molding, extrusion, and masterbatch production.
4. Industry Case Studies
Case Study 1: Automotive Plastic Components
Client: A leading polymer manufacturer in Asia
Challenge: Achieve color consistency in ABS parts under prolonged UV exposure.
Solution: 0.3% Solvent Red 135 in masterbatch formulation.
Result: 20% improvement in fade resistance vs. conventional dyes.
Case Study 2: High-Temperature Packaging
Client: European food-grade packaging supplier
Challenge: Meet FDA compliance for PS containers heated during sterilization.
Solution: 0.1% Solvent Red 135 with no detectable migration.
Result: Passed ISO 22000 certification with zero batch rejections.
5. Contact for Inquiries
Technical Support & Pricing:
Email: info@vivalr.com
Tel: (86) 15866781826



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