3835559 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3835559 > 2 > ChemIDplus > QJ6490000 > NIOSH/QJ6490000 > 2-Naphthalenesulfonic acid, 4-hydroxy-3-((3-nitro-5-sulfophenyl)azo)-6-((3-((4-nitrophenyl)azo)-4,6-dihydroxyphenyl)azo)-, disodium salt Anionic Dark Brown 2Ch Brown 673 QJ6490000 > QJ6490000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=QJ6490000 $$$$