Reactive Dye Blue 19 (Turquoise)
CAS Number: 2580-78-1
Reactive Dye Blue 19, also known as Reactive Turquoise Blue, is a copper phthalocyanine-based reactive dye yielding unique bright turquoise shades on cotton and cellulosic fibers. It requires higher fixation temperatures and longer reaction times than conventional reactive dyes due to its large molecular structure. Widely used in sportswear, home textiles, and fashion fabrics.
Technical Specifications
| appearance | Blue-green powder |
| moisture (%) | ≤5 |
| strength (%) | 100±2 |
| fixation rate (%) | ≥75 |
| active content (%) | ≥98 |
| solubility (g/L, 60°C) | ≥50 |
Applications
- Exhaust dyeing of cotton fabric for turquoise and teal shades
- Cold pad-batch (CPB) process with extended batching time
- Blending with other reactive dyes to achieve teal and green shades
- Dyeing of viscose rayon and modal fibers
- Continuous dyeing of cotton terry and velvet fabrics
Key Features
- Unique turquoise/teal shade unachievable with other reactive dye classes
- Excellent light fastness rating ≥5 (ISO 105-B02)
- Good compatibility in trichromatic dyeing combinations
- Suitable for both discontinuous and continuous dyeing processes
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CAS Number
2580-78-1
Category
Textile Dyeing AuxiliariesAvailability
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