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Red No.106
 
  
| Legal color: | Red No.106 |  | General name: | Acid Red |  | Class: | Acid Dye |  | FDA : |  |  | CI #: | C.I. 45100 |  | Color #: | Acid Red 52 |  | CAS #: | 3520-42-1 |  | CAS : | Xanthylium,3,6-bis(diethylamino)-9-(2,4-disulfophenyl)-,hydroxide,inner salt,sodium salt |  | IUPAC: | →1;Sodium 9-(2,4-disulfonatophenyl)3,6-bis(diethylamino)xanthylium →2;9-(2,4-Disulfophenyl)3,6-bis(diethylamino)xanthylium sodium salt
 |  | Chemical structure : |   Acid Red
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