Comprehensive Guide to Vat Red 41 (CAS 522-75-8)
Table of Contents
- Product Overview & Specifications
- Technical Parameter Comparison
- Industrial Applications
- Usage Guidelines
- Client Success Stories
- Contact for Technical Consultation
Vat Red 41 (CAS 522-75-8) Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | Naphtho[2,3-a]pyrene-7,14-dione |
| CAS Number | 522-75-8 |
| Molecular Formula | C30H14O2 |
| Appearance | Dark red crystalline powder |
| Solubility | Insoluble in water, soluble in concentrated sulfuric acid |
| Lightfastness | Grade 7-8 (ISO 105-B02) |
Performance Comparison with Similar Vat Dyes
| Property | Vat Red 41 | Vat Orange 7 | Vat Violet 1 |
|---|---|---|---|
| Color Index | 73335 | 70805 | 60010 |
| Wash Fastness | 4-5 | 3-4 | 4 |
| Temperature Resistance | 200°C | 180°C | 190°C |
Industrial Applications of Vat Red 41
Textile Dyeing
Preferred for cotton and cellulose fiber coloration with superior penetration in padding processes
Plastic Coloring
Thermostable formulation for PVC and polyolefin products requiring UV resistance
Paper Manufacturing
High-intensity coloration for specialty packaging materials
Optimal Application Protocols
Textile Processing Parameters
| Process Stage | Optimal Conditions |
|---|---|
| Reduction | NaOH 10g/L, Na₂S₂O₄ 5g/L at 60°C |
| Dyeing | pH 13-14, 45-60 minute immersion |
Client Implementation Case Studies
Case 1: Textile Manufacturer in Gujarat
Client: Aarvee Denims Ltd.
Challenge: Achieving color consistency across 20,000m batches
Solution: Customized dye formulation with 1.2% Vat Red 41 concentration
Outcome: 98% color uniformity with 15% reduction in processing time
Case 2: Automotive Plastics Supplier
Client: Magna International Inc.
Challenge: Meeting TS16949 thermal stability requirements
Solution: High-temperature resistant Vat Red 41 masterbatch
Outcome: Zero color degradation after 1,000hrs at 85°C
Technical Consultation & Sample Requests
Contact our dye specialists for application-specific solutions:
Email: info@vivalr.com
Phone: (86) 15866781826
Why Choose Our Vat Red 41?
- Batch-to-batch color consistency (ΔE ≤ 0.8)
- REACH & OEKO-TEX® certified production
- 24/7 technical support team
- Global logistics network with JIT delivery
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