Pigment Blue 63

16521-38-3

1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, aluminum complex; Indigo Carmine aluminum lake; Indigotine Aluminum Lake; Japan Blue 2 Aluminum Lake; FD&C Blue No. 2 Aluminum Lake; FD and C Blue No. 2 Lake;