Reactive red 180

Reactive red 180, a common textile dye, can be adsorbed onto single-walled carbon nanotubes (SWCNTs) through electrostatic interactions, facilitating the separation of residual dyes.

O=C(C1=CC=CC=C1)NC2=CC(S(=O)([O-])=O)=CC3=C2C(O)=C(/N=N/C4=C(C5=C(C=C(C=C5)S(CCOS(=O)([O-])=O)(=O)=O)C=C4)S(=O)([O-])=O)C(S(=O)([O-])=O)=C3.[Na+].[Na+].[Na+].[Na+]