Identification | Back Directory | [Name]
4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt | [CAS]
6406-47-9 | [Synonyms]
C.I.26705 Direct Blue 123 C.I.Direct Blue 123 Diaminogen Sky Blue N C.I.Direct Blue 123:C.I.26705 N-[(4-acetamidophenyl)carbamothioyl]-3-bromobenzamide 4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt | [MOL File]
6406-47-9.mol |
Hazard Information | Back Directory | [Preparation]
N-(4-amino-2-methoxy-5-methylphenyl)acetamide diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4-Hydroxynaphthalene-1-sulfonic acid coupling, and then hydrolysis acetyl amino. | [Properties and Applications]
dark blue to navy blue. Soluble in water for navy to violet black, slightly soluble in ethanol to blue. In the strong sulfuric acid as dark blue, for purple diluted. The dye solution to join strong hydrochloric acid has the purple precipitation; With strong sodium hydroxide solution for the navy.
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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5
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5
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3
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3-4
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3-4
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