1,3-Diiminoisoindoline (CAS 3468-11-9) Technical Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | 1,3-Diiminoisoindoline | Conventional Dyes |
|---|---|---|
| CAS Number | 3468-11-9 | Varies |
| Molecular Formula | C8H7N3 | Complex structures |
| Molecular Weight | 145.16 g/mol | 200-400 g/mol |
| Melting Point | 197°C | 150-250°C |
| Density | 1.41 g/cm³ | 1.2-1.6 g/cm³ |
| Flash Point | 98.9°C | 100-150°C |
Key Advantages: Superior thermal stability, precise colorfastness in textile applications, and compatibility with multiple dye systems.
2. Industrial Applications
Primary Uses:
- Cotton fabric dyeing & printing
- Co-application with fast color salts and ice dyes
- Phthalocyanine pigment precursor
Performance Characteristics:
- High affinity for cellulose fibers
- Excellent lightfastness (Grade 7-8 on ISO 105-B02)
- Low environmental impact formulation
3. Operational Guidelines
Recommended Process Parameters:
| Application | Concentration | Temperature | pH Range |
|---|---|---|---|
| Exhaust Dyeing | 0.5-2% owf | 60-80°C | 8.5-9.5 |
| Printing Paste | 3-5% | Room Temp | 6.5-7.5 |
Safety Protocols:
- Use NIOSH-approved respirators for powder handling
- Emergency eyewash stations required in processing areas
- Store in airtight containers away from oxidizers
4. Implementation Case Studies
Textile Mill Optimization (Zhejiang, China):
- Challenge: Inconsistent blue shades in denim production
- Solution: 1.2% 1,3-Diiminoisoindoline + auxiliaries
- Outcome: 40% reduction in dye consumption, ΔE < 0.8 between batches
5. Client Success Stories
Wuhan Kanos Chemical Technology:
- Application: High-speed rotary printing
- Result: Achieved 98% fixation rate on combed cotton
- Testimonial: “Consistent performance across 50+ production runs”
Shanghai Yuanye Bio-Technology:
- Application: Specialty medical textiles
- Result: Passed ISO 10993-5 cytotoxicity testing
6. Technical Consultation
For formulation assistance or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826



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