40 CFR 721.5280 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, coupled with diazotized 4-butylbenzenamine, diazotized 4,4′-cyclohexylidenebis[benzenamine] and m-phenylenediamine, sodium salt [63 FR 3430, Jan. 22, 1998]
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40 CFR 721.5280 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, coupled with diazotized 4-butylbenzenamine, diazotized 4,4′-cyclohexylidenebis[benzenamine] and m-phenylenediamine, sodium salt [63 FR 3430, Jan. 22, 1998]
