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English Name: Direct Black RB
CAS No.: 1328-25-2
Molecular formula: C126H58O10N4
EINECS No.: 215-520-5
Application: reduced direct black RB is used for dyeing cotton fiber. It has good levelness and affinity, and can be dyed black directly. It is also suitable for cotton printing. It is also used to dye viscose fiber, silk and Uygur cotton fabrics, as well as polyester cotton and polyester viscose fabrics to dye black and dark gray, with uniform color.
Manufacturing
