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| Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-hydroxy-3,6-disulfo-1-naphthalenyl)methyl]-2-hydroxy-3-methyl-, disodium salt Basic information |
| Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-hydroxy-3,6-disulfo-1-naphthalenyl)methyl]-2-hydroxy-3-methyl-, disodium salt Chemical Properties |
| Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-hydroxy-3,6-disulfo-1-naphthalenyl)methyl]-2-hydroxy-3-methyl-, disodium salt Usage And Synthesis |
Preparation | Formaldehyde?and 2-Hydroxy-3-methylbenzoic acid condensation, its product in Nitrosylsulfuric acid Disodium with 3-Hydroxynaphthalene-2,7-disulfonic acid common oxidation. | Properties and Applications | brilliant navy blue. Soluble in water into wine red, soluble in ethanol for red wine. In concentrated sulfuric acid to dark purple, dilution for red wine. Dye aqueous solution to join sodium hydroxide as purple.
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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4
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5-6
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4
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4
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5
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4
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5
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| Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-hydroxy-3,6-disulfo-1-naphthalenyl)methyl]-2-hydroxy-3-methyl-, disodium salt Preparation Products And Raw materials |
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