Tags: Chemical Compound, Chemical Substance.
Mordant brown 33 (MB33) is 24-diamino-5-(2-hydroxy-5-nitrophenylazo) benzene sulfonic acid sodium salt.The UV-Visible spectra of MB33 in all mixtures investigated display three absorption bands in 50% ethanol within all the pH ranges 1.5-13.3 using Thiel buffer the maximum absorption of these bands is located at 438 453 and a double head band at 410 and 475 nm .
