Solvent Red 149 (CAS 71902-18-6): Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 71902-18-6 |
| Chemical Class | Anthraquinone Solvent Dye |
| Molecular Formula | C₂₄H₂₀N₂O₂ |
| Molecular Weight | 368.43 g/mol |
| Appearance | Red crystalline powder |
| Solubility | Excellent in hydrocarbons, oils, and organic solvents |
2. Key Applications & Use Cases
Core Industrial Uses:
- Plastics Coloring: High-temperature stable coloration for PVC, PS, and polyolefins
- Ink Manufacturing: Premium solvent-based printing inks with superior lightfastness
- Coating Systems: Automotive and industrial coatings requiring UV resistance
- Fuel Markers:
Red 149 demonstrates 30% better thermal stability than standard solvent dyes Solvent Compatibility Wider range including ketones and esters Migration Resistance Class 1 certification for food-contact applications
4. Industry Implementation Scenarios
Automotive Sector:
Used in coloring polypropylene components for dashboard elements, maintaining hue integrity at 120°C+ operating temperatures.
Packaging Industry:
Implementation in flexographic inks for plastic food packaging, meeting FDA 21 CFR 178.3297 compliance requirements.
5. Verified Customer Success Stories
Case 1: European Polymer Manufacturer
Challenge: Required REACH-compliant dye for ABS computer housings
Solution: Custom Red 149 formulation at 0.8% loading
Result: Achieved ΔE < 2 after 1,000 hrs Xenon arc testing
Case 2: Asian Ink Producer
Challenge: Needed non-bleeding ink for synthetic fabrics
Solution: Red 149-based system with 15% improved wash fastness
Result: Passed ISO 105-C06:2010 testing protocols
6. Request Customized Solutions
Optimize your formulations with technical support from our dye specialists:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS, RoHS reports, or sample quantities today.
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