Direct Red 80 CAS 2610-10-8

365548 Sigma-Aldrich Direct Red 80 Dye content 25 % Synonym: Sirius Red CAS Number 2610-10-8 General description Direct Red 80 is a tetra azo dye.[1] It is also known as sirius red F3BA, sirius red F3B etc. It can be used to detect amyloid. It can magnify the usual birefringence of collagen fibers in tissue sections[4]. Application Direct Red 80 has been used as an ingredient in the preparation of saturated picric acid for immunohistochemical detection and quantitation of collagen in liver tissues.[2] It has also been used in the staining for collagen.[3] Packaging 5, 25 g in glass bottle