| 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 | [MDL Number]
MFCD01112270 | [MOL File]
3374-30-9.mol | [Molecular Weight]
1407.72 |
| Hazard Information | Back Directory | [Preparation]
3-Hydroxybenzaldehyde?(1 Moore) and N-benzyl-N-ethylbenzenamine (2 Moore) condensation, its product two stlfonation, oxidation, and finally as calcium salting out. | [Properties and Applications]
colourful green light blue. Soluble in water for green light blue, soluble in ethanol for light green. The strong sulfuric acid for light in the dark yellow; Diluted turquoise and the emergence of a precipitation. In water solution to join sodium hydroxide, low temperature when the same color, heat into deep purple.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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2-3
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3-4
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3-4
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3
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3
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AATCC
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3
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3
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2
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2
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