| Identification | Back Directory | [Name]
3-[(3-Carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-6-hydroxy-2,4-dimethylbenzoic acid | [CAS]
2305-53-5 | [Synonyms]
C.I.43870
Mordant Violet 33
Chromoxan violet S
Chromoxane Violet 5B
C.I.Mordant Violet 33
C.I.Mordant Violet 33:C.I.43870
3-[(3-Carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-6-hydroxy-2,4-dimethylbenzoic acid
Benzoic acid, 3-[(3-carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-6-hydroxy-2,4-dimethyl- | [Molecular Formula]
C26H22O9 | [MOL File]
2305-53-5.mol | [Molecular Weight]
478.45 |
| Hazard Information | Back Directory | [Preparation]
Formaldehyde (1 Moore) and 2-Hydroxy-3-methylbenzoic acid (2 Moore) condensation, its product in Nitrosylsulfuric acid with 2-Hydroxy-4,6-dimethylbenzoic acid?common oxidation. | [Properties and Applications]
dark blue purple. Soluble in water for wine red, soluble in ethanol for red wine. In concentrated sulfuric acid for brilliant product red, red orange after diluted. Dye aqueous solution to join sodium hydroxide as wine red.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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5
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4
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4
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4
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5
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4-5
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5
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