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| 1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt Basic information |
Product Name: | 1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt | Synonyms: | 1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt;C.I.Direct Violet 45:C.I.22510;Direct Violet 45 | CAS: | 6426-72-8 | MF: | C32H23N4NaO14S4 | MW: | 838.78 | EINECS: | 613-544-4 | Product Categories: | | Mol File: | 6426-72-8.mol | |
| 1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt Chemical Properties |
| 1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt Usage And Synthesis |
Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, and 7-Hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupled. | Properties and Applications | purple. Soluble in water. The strong sulfuric acid for purple, diluted for red jade; In nitric acid solution for orange. The dye solution to join strong sodium hydroxide solution in red.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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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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4-5
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4
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2
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1-2
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1-2
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| 1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt Preparation Products And Raw materials |
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