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Reactive Blue 19 is a synthetic dye commonly used in the textile industry for dyeing cellulose fibers, such as cotton and viscose. It is characterized by its bright blue color and excellent colorfastness properties, making it suitable for a wide range of textile applications. The dye works by forming a covalent bond with the fiber, ensuring durability and resistance to washing and light exposure.
| Chemical Composition | Reactive dye based on dichlorotriazine |
| Color Fastness | Good to excellent for washing and light |
| Application Method | Used in batch dyeing, continuous dyeing, and printing |
| Solubility | Soluble in water |
| pH Range for Application | Typically 10 to 12 |
When purchasing Reactive Blue 19, consider the specific application method and the type of fiber being dyed. It is important to specify the desired color fastness and any regulatory requirements for textile products. Buyers should also inquire about the dye's solubility and pH compatibility with their dyeing processes. Quantities may vary based on production needs, so providing an estimated volume can help suppliers offer appropriate pricing and options.
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It is primarily used on cellulose fibers like cotton and viscose.
It forms a covalent bond with the fiber during the dyeing process.
The typical pH range is between 10 and 12.
Like many synthetic dyes, it should be handled with care, and disposal methods must comply with local regulations.
It should be stored in a cool, dry place away from direct sunlight.
Yes, it can be used in printing applications as well as dyeing.