REACTIVE BLUE 19 CAS 2580-78-1

Table of Contents

• Product Overview
• Key Parameters & Comparative Analysis
• Detailed Applications
• Usage Instructions
• Industry Case Studies
• Procurement Guide
• Contact for Quotation

Reactive Blue 19 (CAS 2580-78-1) Overview

Reactive Blue 19 is a high-performance vinyl sulfone-based reactive dye widely used in textile dyeing. Key specifications:

Comparative Analysis with Similar Dyes

Primary Industrial Applications

Textile Dyeing

• Cotton/Polyester Blends: Achieves uniform coloration with ≤5% color difference
• Silk: Enhances brilliance with 20% less dye consumption vs. conventional options

Specialized Uses

• Biomedical Staining: pH-sensitive detection in diagnostic kits
• Paper Coloring: 98% biodegradability meets EU Eco-Label standards

Optimized Application Protocol

1. Dye Bath Preparation: 1-3% owf dye concentration at 40-50°C
2. Alkali Fixation: Maintain pH 11-12 with Na2CO3 for 45-60 mins
3. Soaping: Use 2 g/L detergent at 95°C for 15 mins to remove unfixed dye

Documented Success Cases

Case 1: Guangdong Textile Group Co., Ltd. (China)

• Challenge: Reduce wastewater COD by 30% while maintaining color depth
• Solution: Implemented Reactive Blue 19 with low-salt dyeing technology
• Result: 28% reduction in salt usage, 95% color reproducibility

Case 2: Arvind Limited (India)

• Challenge: Meet ZDHC MRSL compliance for denim production
• Solution: Switched to Reactive Blue 19 from prohibited azo dyes
• Result: Passed ISO 17050 certification with 0% nonconformities

Strategic Procurement Advice

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Submit technical requirements for free formulation optimization:

• Fabric type (cotton/wool/synthetic blends)
• Target color fastness standards (AATCC/ISO)
• Production capacity (tons/month)