Red No.401

Legal color:	Red No.401
General name:	Violamine R
Class:	Acid Dye
FDA :	(EXT. D & C Red No.3)
CI #:	C.I. 45190
Color #:	Acid Violet 9
CAS #:	6252-76-2
CAS :	：Xanthylium,9-(2-carboxyphenyl)-3-[(2-methylphenyl)amino]-6- [(2-metyhl-4-sulfophenyl)amino]-,hydroxide,inner salt,monosodium salt
IUPAC:	→1;Disodium3-(N-2-methylphenyl)-6-(N-2-methyl-4-sulfonatophenyl) xanthene-9-spiro-1'-3H-isobenzofuran-3'-one →2;3-(N-2-Methylphenyl)-6-(N-2-methyl-4-sulfophenyl)xanthene-9- spiro-1'-3H-isobenzofuran-3'-one disodium salt
Chemical structure :	Violamine R