O le isi igoa: faaitiitia indigo
Fa'asinomaga Nu. o vali: CIReducing blue1 (73000)
Feso'ota'iga igoa tau fefa'ataua'iga: INDIGO(Acna, Fran, ICI, VAT BLUE)
fua mole:C16H10O2N2
mamafa mole: 262.27
Igoa vaila'au: 3,3-dioxbisindophenol
Fuafuaga Fa'asologa o vaila'au: