2-Naphthalenethiol 98.0%(GC)

Amaranth FD&C Red No. 2 E123 C.I. Food Red 9 Acid Red 27 Azorubin S or C.I. 16185 is a dark red to purple azo dye used as a food dye and to color cosmetics. The name was taken from amaranth grain a plant distinguished by its red color and edible protein-rich seeds.

For R&D use onlynot for drug household or other uses.

Amaranth is an anionic dye. It can be applied to natural and synthetic fibers leather paper and phenol-formaldehyde resins. As a food additive it has E number E123. Amaranth usually comes as a trisodium salt.