
Reactive Blue 89 is a “hot brand” reactive dye mixture, typically combining azo and anthraquinone chromophores. It is formulated to produce a deep, reddish-navy blue shade when applied at high temperatures. As a dichlorotriazine (DCT) type, it is designed for maximum fixation and performance in high-temperature exhaust dyeing processes. It is a robust and economical choice for achieving deep, durable navy shades on cotton and viscose.