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| | sodium 6-(1-naphthylazo)naphthalene-2-sulphonate Basic information |
| Product Name: | sodium 6-(1-naphthylazo)naphthalene-2-sulphonate | | Synonyms: | sodium 6-(1-naphthylazo)naphthalene-2-sulphonate;6-(1-Naphtylazo)-2-naphthalenesulfonic acid sodium salt;6-[(1-Naphtyl)azo]-2-naphthalenesulfonic acid sodium salt;Azo Acid Brown;C.I.13000;C.I.Acid Brown 8;Acid Brown 8;C.I.Acid Brown 8:C.I.13000 | | CAS: | 6407-85-8 | | MF: | C20H13N2NaO3S | | MW: | 384.38359 | | EINECS: | 229-046-1 | | Product Categories: | | | Mol File: | 6407-85-8.mol |  |
| | sodium 6-(1-naphthylazo)naphthalene-2-sulphonate Chemical Properties |
| | sodium 6-(1-naphthylazo)naphthalene-2-sulphonate Usage And Synthesis |
| Preparation | 6-Aminonaphthalene-2-sulfonic acid diazo, and Naphthalen-1-amine coupling, and then diazo, and with ethanol and sodium carbonate common heating, away with amino. | | Properties and Applications | brown. Water solution is yellow brown, but water-soluble not beautiful, easily soluble in ethanol is yellow light brown. In the dark for the strong sulfuric acid (purple and product red), after diluted for brown. In aqueous solution to join strong hydrochloric acid for yellow olive brown; Add thick hydrogen for orange brown, oxidation solution.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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3
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2
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3
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1
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3
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| | sodium 6-(1-naphthylazo)naphthalene-2-sulphonate Preparation Products And Raw materials |
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