1. C.I.REACTIVE BLUE 49 C.I.REACTIVE BLUE F-3R posseses good solubility and migration performance, good levelness and dyeing reproducibility with bright blue shade incellulosic fabrics dyeing at 60 . 2. C.I.REACTIVE BLUE F-3R C.I.REACTIVE BLUE F-3R posseses good solubility and migration performance, good levelness and dyeing reproducibility with bright blue shade incellulosic fabrics dyeing at 60 . .