| Identification | Back Directory | [Name]
disodium 7,7'-(carbonyldiimino)bis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] | [CAS]
6420-46-8 | [Synonyms]
C.I.29210
C.I.Direct Red 122
C.I.Direct Red 122:C.I.29210
Diazo Brilliant Scarlet BBLA-CF
disodium 7,7'-(carbonyldiimino)bis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate]
7,7'-(Carbonyldiimino)bis[3-[(3-aminophenyl)azo]-4-hydroxy-2-naphthalenesulfonic acid]disodium salt
2-Naphthalenesulfonicacid, 7,7'-(carbonyldiimino)bis[3-[2-(3-aminophenyl)diazenyl]-4-hydroxy-,sodium salt (1:2) | [EINECS(EC#)]
229-165-9 | [Molecular Formula]
C33H24N8Na2O9S2 | [MOL File]
6420-46-8.mol | [Molecular Weight]
786.701 |
| Hazard Information | Back Directory | [Preparation]
N-(3-aminophenyl)formamide (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then hydrolysis formex amino. | [Properties and Applications]
red. Soluble in water for red, slightly soluble in alcohol for Shallow red brown, insoluble in other organic solvents. The strong sulfuric acid for quality in red, with golden yellow to orange after diluted, orange precipitation; In nitric acid for red brown, then to yellow. The dye solution to join strong hydrochloric acid have brown light orange precipitation; Add thick sodium hydroxide solution for orange brown.
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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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3-4
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5
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2
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4
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4
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AATCC
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5
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4
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2
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4-5
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5
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