Protection of Environment. Part721:Significant new uses of chemical substances. Section721.5262:2,7-Naphthalenedisulfonic acid, 5-[[4-chloro-6-[substituted] amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)azo]-, trisodium salt (gener
(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as 2,7-Naphthalenedisulfonic acid,5-[[4-chloro-6-[substituted] amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)az