Xylidine Ponceau 2R (3761-53-3)

 Food Red No. 101 (CAS NO.3761-53-3), its Synonyms are Ponceau MX ; 1-(2,4-Xylylazo)-2-naphthol-3,6-disulfonic acid, disodium salt ; 1-(2,4-Xylylazo)-2-naphthol-3,6-disulphonic acid, disodium salt ; 1-Xylylazo-2-naphthol-3,6-disulfonic acid, disodium salt ; 1-Xylylazo-2-naphthol-3,6-disulphonic acid, disodium salt ; 1695 Red ; 2,7-Naphthalenedisulfonic acid, 4-((2,4-dimethylphenyl)azo)-3-hydroxy-, disodium salt ; 3-Hydroxy-4-(2,4-xylylazo)-2,7-naphthalenedisulfonic acid, disodium salt ; 3-Hydroxy-4-(2,4-xylylazo)-2,7-naphthalenedisulphonic acid, disodium salt ; 4-((2,4-Dimethylphenyl)azo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt ; 4-((2,4-Dimethylphenyl)azo)-3-hydroxy-2,7-naphthalenedisulphonic acid, disodium salt ; Acetacid Red J ; Acid Leather Red KPR ; Acid Leather Red P2R ; Acid Leather Scarlet IRW ; Acid Ponceau 2RL ; Acid Ponceau R ; Acid Ponceau Special ; Acid Red 26 ; Acid Scarlet ; Acid Scarlet 2B ; Acid Scarlet 2BN ; Acid Scarlet 2R ; Acid Scarlet 2R FOR Lakes Bluish . It is dark red to bordeaux fine powder. It is easily soluble in water and slightly in ethanol. It usually comes as a disodium salt.

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 (1987),p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 (1975),p. 189.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.