Alizarin Yellow R is a yellow colored azo dye made by the diazo coupling reaction. It usually comes as a sodium salt. In its pure form it is a rust-colored solid. Its main use is as a pH indicator.

Grade: Microscopy

Assay : (Dye content) 70.0%

Appearance: Form: powder

Colour: Dark Brown

Molecular Formula: C13H9N3O5

Molecular Weight: 287.23

Capacity: 25 gm, 100 gm

Alizarin Yellow R