Multiple choice

Which among the following dyes is a lysochrome?

  1. Sudan II

  2. Titan yellow

  3. Chrysoine resorcinol

  4. Orange G

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sudan II (C18H16N2O) is a lysochrome (fat-soluble dye) azo dye used for staining of triglycerides in frozen sections, and some protein bound lipids, and lipoproteins on paraffin sections. It has the appearance of red powder with melting point 156-158 °C and maximum absorption at 493(420) nm.