| | Identification | Back Directory |  | [Name] 
 dihydrogen bis[(benzyl)[4-[[4-(benzylethylamino)phenyl](5-hydroxy-2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium], calcium salt
 |  | [CAS] 
 3374-30-9
 |  | [Synonyms] 
 AO203
 Carmine Blue A
 Vulcol Blue VZ
 Vondacid Blue A
 C.I. Acid blue 5
 Merantine Blue A
 Acid leather blue a
 C.I. 42052 (Ca salt)
 Acidal carmine blue a
 Mitsui Acid Pure Blue AX
 CI 42052 (D & C BLUE NO. 8)
 C.I. Acid blue 5, calcium salt (2:1)
 dihydrogen bis[(benzyl)[4-[[4-(benzylethylamino)phenyl](5-hydroxy-2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium], calcium salt
 Benzenemethanaminium, N-ethyl-N-[4-[[4-[ethyl(phenylmethyl)amino]phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-, hydroxide, inner salt, calcium salt (2:1)
 |  | [EINECS(EC#)] 
 222-161-8
 |  | [Molecular Formula] 
 2C37H35N2O7S2.Ca
 |  | [MOL File] 
 3374-30-9.mol
 |  | [Molecular Weight] 
 1407.72
 | 
 |  |