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6473-15-0

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6473-15-0 Structure

6473-15-0 Structure
IdentificationBack Directory
[Name]

trisodium 5-[[4-[[7-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-1-naphthyl]azo]salicylate
[CAS]

6473-15-0
[Synonyms]

Direct Black 49
C.I.Direct Black 49:C.I.34155
trisodium 5-[[4-[[7-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-1-naphthyl]azo]salicylate
[EINECS(EC#)]

229-327-9
[Molecular Formula]

C37H22N7Na3O11S2
[MOL File]

6473-15-0.mol
[Molecular Weight]

873.71
Safety DataBack Directory
[HS Code ]

2927000090
Hazard InformationBack Directory
[Preparation]

5-Amino-2-hydroxybenzoic acid diazo, and Naphthalen-1-amine coupling, again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acidcoupling, product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
[Properties and Applications]

blue gray. Soluble in water for blue purple. In the dark for the strong sulfuric acid, after diluted blue-ray black precipitation. The dye solution to join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution to blue.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4 3 2 2-3
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