Ulwelo olusisiseko lwe-violet 1, okanye lulwelo olusisiseko se-violet 1, lulwelo lwedayi yephepha oluqhele ukusetyenziselwa ukudaya amalaphu kunye nephepha.
I-Violet eyisiseko 1 yi-Basonyl Violet 600, i-Basonyl Violet 602, i-Methyl Violet 2B idayi yokwenziwa esetyenziswa kakhulu kwi-textile dyeing kunye neenkqubo zokudaya amaphepha. Elinye igama lebhrendi . Isetyenziswa ngokuqhelekileyo ukudaya umqhaphu, isilika, uboya kunye nezinye iintsinga zendalo. Isiseko se-violet 1 saziwa ngombala oluhlaza okwesibhakabhaka oqaqambileyo kunye neempawu ezibalaseleyo zombala okhawulezayo.