Indanthrene blue RS
Indanthrene blue RS
Indanthrene blue RS, C.I. vat blue 4, carbon paper blue, blue O, carbanthrene blue 2R, fenan blue RSN, graphtol blue RL, medium blue, monolite fast blue 3R, indanthrene, indanthrone, pigment blue 60, or C.I. 69800, is a synthetic anthraquinone dye. It has the appearance of blue needles with metallic lustre and melting point [...]