Crystal Ponceau 6R (Technical Grade)

1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2); 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(1-naphthalenylazo)-, disodium salt (9CI); 2-Naphthol-6,8-disulfonic acid, 1-(1-naphthylazo)-, disodium salt (6CI); C.I. Acid Red 44 (7CI); C.I. Acid Red 44, disodium salt (8CI); Acid Leather Ponceau 6R; Acid Ponceau 6R; Acid Red 6A; Acidal Crystals Ponceau; Brilliant Crystal Scarlet; C.I. 16250; Colacid Red 6A; Crystal Ponceau; Crystal Ponceau 6R; Crystal Ponceau M 6R; Crystal Scarlet; Crystal Scarlet 6R; Crystal Tertracid Ponceau 6R; Kemacid Leather Ponceau 6R; Ponceau 6R; Ponceau 6R Crystals; Ponceau Cristallise Extra A Export; Ponceau Crystals 6R; Romexal Red 6A; Triacid Ponceau 6R

InChI=1S/C20H14N2O7S2.2Na/c23-17-9-8-13-10-14(30(24,25)26)11-18(31(27,28)29)19(13)20(17)22-21-16-7-3-5-12-4-1-2-6-15(12)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-21+;;