| Identification | Back Directory | [Name]
trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate | [CAS]
6360-29-8 | [Synonyms]
C.I.31725
Direct Brown 27
CIDIRECTBROWN27
Direct brown 27 (C.I. 31725)
C.I.Direct Brown 27:C.I.31725
trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
Trisodium 5-((4'-((4-((4-amino-7-sulphonato-1-naphthyl)azo)- 6-sulphonato-1-naphthyl)azo)(1,1'-biphenyl)-4- yl)azo)salicylate
5-[[4'-[[4-[(4-Amino-7-sulfo-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt
trisodium,(3Z)-3-[[4-[4-[[4-[(4-amino-7-sulfonatonaphthalen-1-yl)diazenyl]-6-sulfonatonaphthalen-1-yl]diazenyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate | [EINECS(EC#)]
228-826-9 | [Molecular Formula]
C39H28N7NaO9S2 | [MOL File]
6360-29-8.mol | [Molecular Weight]
825.8 |
| Hazard Information | Back Directory | [Preparation]
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and with 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling. | [Properties and Applications]
dark red light brown. Soluble in water for brown, soluble in ethanol is shallow red sauce. The strong sulfuric acid for blue to blue-black, diluted with light olive green precipitation. The dye solution to join strong hydrochloric acid have olive green precipitation; Add thick sodium hydroxide solution have orange brown precipitation.
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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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ISO
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2
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2-3
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4
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2-3
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4
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AATCC
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2
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4
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2
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1
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1-2
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