Formulation: A solid
Formal Name: 7,7′-(carbonyldiimino)bis[4-hydroxy-3-[2-[2-sulfo-4-[2-(4-sulfophenyl)phenyl]diazenyl]-2-naphthalenesulfonic acid, hexasodium salt
Formula Markup: C45H26N10O21S6 • 6Na
Formula Weight: 1373,1
Shelf life (days): 1460
CAS Number: 2610-10-8
Notes: Direct red 80 is an anionic hexasulfonic acid dye.{69835} It displays an absorbance maximum of 540 nm. Direct red 80 has been used as a crosslinking dye for collagen or amyloids, as well as a dye for fabrics.{69835,69836}