Titan yellow is manufactured by Securex Lab Sciences. It comes under the category of triazene dyes. In the field of microscopy, it is used to stain the samples. It also acts as a fluorescent indicator. In chemical analysis it is used for the detection of magnesium. Apart from this, titan yellow is used as an acid-base indicator. As the pH changes from 12 to 13, the colour changes from yellow to red. Titan yellow is also used as a dye for fabrics like rayon, cotton, silk etc. Molecular formula: C28H19N5Na2O6S4 Molecular mass: 695.72 g/mol pH: 5.1