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Xylidine Ponceau 2R (3761-53-3)

Identification
Name:Xylidine Ponceau 2R
Synonyms:4-(2,4-Dimethylphenylazo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt; Acid Red 26; C.I. 16150; Ponceau G; xylidine ponceau 2R (C.I. 16150); Ponceau Xylidine; ponceau 2R; disodium 1-(2,4-dimethylphenylazo)-2-hydroxynaphthalene-3,6-disulphonate; Acidred; Ponceau red RR
CAS:3761-53-3
EINECS: 223-178-3
Molecular Formula: C18H14N2Na2O7S2
Molecular Weight: 480.4225
InChI: InChI=1S/C18H16N2O7S2.2Na/c1-10-3-6-15(11(2)7-10)19-20-17-14-9-13(28(22,23)24)5-4-12(14)8-16(18(17)21)29(25,26)27;;/h3-9,19H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-17+;;
Molecular Structure: (C18H14N2Na2O7S2) 4-(2,4-Dimethylphenylazo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt; Acid Red 26; C.I....
Properties
Flash Point: °C
Boiling Point: °Cat760mmHg
Density:g/cm3
Water Solubility:Soluble in water
Solubility:Soluble in water
Appearance:dark red Crystalline powder
Specification:

 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.

Report:

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.

Flash Point: °C
Safety Data
Hazard Symbols Xn:Harmful