Hermcol®Yellow RN ndi mtundu wa mono azo pigment, wokhala ndi mthunzi wonyezimira wonyezimira wachikasu, koma mthunzi wofiyira ndi wosauka pang'ono kuposa Benzidine Yellow HR, ndipo umalimbana bwino ndi zosungunulira, kupepuka, kukana kwa asidi, kukana kwa alkali ndi kubisala kwakukulu.Hermcol®Yellow RN imapereka mithunzi yofiira yachikasu.