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| 4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt Basic information |
| 4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt Chemical Properties |
| 4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt Usage And Synthesis |
Preparation | Methane, tetrachloro – and 1-Hydroxy-2-naphthoic acid?in the presence of copper in naoh aqueous solution reaction | Properties and Applications | brilliant blue to red light navy blue. Soluble in water for royal purple. In concentrated sulfuric acid for pure blue, purple precipitation after dilution.
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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3
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5
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5
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5
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| 4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt Preparation Products And Raw materials |
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