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| 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt Basic information |
Product Name: | 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt | Synonyms: | 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt;Direct Red 56;C.I.Direct Red 56:C.I.23600 | CAS: | 6406-05-9 | MF: | C34H29N6NaO12S4 | MW: | 864.87 | EINECS: | 613-427-8 | Product Categories: | | Mol File: | 6406-05-9.mol | |
| 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt Chemical Properties |
| 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt Usage And Synthesis |
Preparation | 3,3′-Dimethylbenzidine double nitriding, and 3-Aminonaphthalene-2,7-disulfonic acid (2 Moore) coupled. | Properties and Applications | colourful red blue light. Soluble in water for palm light orange to red, slightly soluble in alcohol. The strong sulfuric acid for blue, orange to red light after dilute for brown. Dye with strong hydrochloric acid solution for orange brown, have precipitation; Add thick sodium hydroxide solution for palm to red light orange, precipitation.
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Acid 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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Fading
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Stain
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ISO
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2-3
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4
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2
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1
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1
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| 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt Preparation Products And Raw materials |
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