| Identification | Back Directory | [Name]
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt | [CAS]
6405-98-7 | [Synonyms]
C.I.23515
Direct Red 68
C.I.Direct Red 68
C.I.Direct Red 68:C.I.23515
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt | [Molecular Formula]
C30H26N5NaO5S | [MOL File]
6405-98-7.mol | [Molecular Weight]
591.62 |
| Hazard Information | Back Directory | [Preparation]
3,3′-Dimethylbenzidine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and Resorcinol coupling . | [Properties and Applications]
red. Soluble in water is palm red light. The strong sulfuric acid for blue, purple precipitation after diluted; In a dilute acetic acid with brown in the precipitation. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution no change.
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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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AATCC
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2
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5
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1-2
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2-3
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1-2
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