Acid Green 27 (CAS 6408-57-7): Technical Guide & Applications
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Acid Green 27 | Standard Acid Dyes |
|---|---|---|
| CAS Number | 6408-57-7 | Varies |
| Molecular Formula | C34H32N2Na2O8S2 | Simpler sulfonate structures |
| Molecular Weight | 706.74 g/mol | 400-600 g/mol |
| Melting Point | 258-260°C | 200-250°C |
| Solubility | Water-soluble; limited in acetone/ethanol | Generally water-soluble |
2. Functional Applications
Primary Uses:
- Textile dyeing for protein fibers (wool, silk) and polyamides
- Biological staining in microscopy (non-clinical research)
- pH indicator in specialized analytical workflows
- Industrial colorant for paper/packaging
3. Usage Guidelines
Optimal Conditions:
- Dye Bath pH: 4.5-5.5 (acetic acid controlled)
- Temperature Range: 85-95°C for textile applications
- Concentration: 0.5-2% owf (on weight of fiber)
4. Industry Case Studies
Case 1: A European luxury textile manufacturer achieved ISO 105-X12 washfastness Grade 4 using Acid Green 27 in silk scarves, reducing dye consumption by 18% compared to alternatives.
5. Client Success Stories
Client A: Jiangsu Textile Research Institute reported 92% color yield improvement in nylon-6 dyeing through optimized Acid Green 27 application protocols.
6. Request a Quote
Contact our technical team for bulk pricing, SDS documentation, and application support:
Email: info@vivalr.com
Tel: (86) 15866781826
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