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| tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate Basic information |
Product Name: | tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate | Synonyms: | 7-[[4-[(2-Hydroxy-3,6-disulfo-1-naphtyl)azo]-1-naphtyl]azo]-1,3-naphthalenedisulfonic acid tetrasodium salt;C.I.Acid Black 3;tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate;4-[[4-[(6,8-disulfonatonaphthalen-2-yl)diazenyl]naphthalen-1-yl]hydrazinylidene]-3-oxonaphthalene-2,7-disulfonate;7-[[4-[(2-oxido-3-sulfo-6-sulfonatonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,3-disulfonate;(4E)-4-[[4-[(6,8-disulfonatonaphthalen-2-yl)diazenyl]naphthalen-1-yl]hydrazinylidene]-3-oxonaphthalene-2,7-disulfonate;tetrasodium,4-[[4-[(6,8-disulfonatonaphthalen-2-yl)diazenyl]naphthalen-1-yl]hydrazinylidene]-3-oxonaphthalene-2,7-disulfonate;C.I.Acid Black 3:C.I.27260 | CAS: | 4197-00-6 | MF: | C30H21N4NaO13S4 | MW: | 796.74 | EINECS: | | Product Categories: | | Mol File: | 4197-00-6.mol | |
| tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate Chemical Properties |
| tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate Usage And Synthesis |
Preparation | 7-Aminonaphthalene-1,3-disulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid. | Properties and Applications | the light black. Soluble in water for purple, slightly soluble in alcohol. The strong sulfuric acid for gray, diluted into purple. In water solution to join strong hydrochloric acid for blue; Add thick sodium hydroxide solution to blue.
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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6
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3
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4
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3-4
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4
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4
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3
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| tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate Preparation Products And Raw materials |
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