2,9-Triphenodioxazinedisulfonic acid, 6,13-dichloro-3,10-bis(phenylamino)-, disodium salt 273213-01-7 6527-70-4 C.I. Direct Blue 106 Disodium 6,13-dichloro-3,10-bis(phenylamino)triphenodioxazine-2,9-disulphonate EINECS 229-417-8 Sirius supra blue fgl-CF stain Solophenyl Brilliant Blue BL