Color-Developing Agent CD-2 (CAS 2051-79-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Color-Developing Agent CD-2 (CAS 2051-79-8) is a high-purity organic compound primarily used in photographic development processes. Key parameters:
| Parameter | CD-2 Specification | CD-3 | CD-4 |
|---|---|---|---|
| Chemical Name | 4-(N-Ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine | 4-Amino-3-methyl-N-ethyl-N-(β-hydroxyethyl)aniline | 4-Amino-N-ethyl-N-(β-methanesulfonamidoethyl)-m-toluidine |
| Molecular Weight | 310.42 g/mol | 214.29 g/mol | 348.48 g/mol |
| Optimal pH Range | 10.0-11.5 | 9.8-10.5 | 10.2-11.8 |
| Thermal Stability | Stable up to 40°C | Stable up to 35°C | Stable up to 45°C |
2. Key Applications & Use Cases
2.1 Photographic Development
CD-2 acts as a primary electron donor in color film development processes, enabling:
- High-resolution image reproduction
- Superior color saturation (particularly in red/yellow spectra)
- Reduced fogging compared to CD-3/CD-4 agents
2.2 Specialty Chemical Synthesis
Used as intermediate in:
- Electrochromic materials production
- OLED manufacturing
- Advanced polymer crosslinking
3. Performance Comparison
| Feature | CD-2 | CD-3 | CD-4 |
|---|---|---|---|
| Development Speed | 120s @20°C | 150s @20°C | 110s @20°C |
| Dye Yield Efficiency | 92% | 85% | 89% |
| Solubility in Water | 45g/L | 65g/L | 38g/L |
4. Industry Application Scenarios
4.1 High-Speed Photo Processing
Automated film development systems using CD-2 achieve 30% faster cycle times compared to traditional agents.
4.2 Medical Imaging
Used in X-ray film processing with enhanced contrast for soft tissue visualization.
5. Verified Customer Success Stories
Case 1: PhotoLab Pro (Germany)
Challenge: Reduce chemical waste in archival film processing
Solution: Implemented CD-2 in closed-loop system
Results: 40% reduction in developer consumption, 15% longer bath life
Case 2: InkMaster Printing (USA)
Challenge: Improve color consistency in specialty packaging
Solution: CD-2-based formulation with pH stabilizers
Results: ΔE <1.5 across production batches
6. Technical Support & Inquiry
Contact our chemical engineers for application-specific solutions:
Email: info@vivalr.com
Phone: (86) 15866781826
Request SDS, COA, or custom formulation guidance within 24hrs.
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