| Identification | Back Directory | [Name]
disodium 3-[[4'-[[6-amino-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate | [CAS]
3818-60-8 | [Synonyms]
C.I.24185
Direct Blue 168
Copper Blue 2B
C.1.Direct Blue 168
C.I. Direct blue 168
Direct Copper Blue BR
Japanol Copper Blue 2B
Kayaku direct copper blue 2B
Mitsui Direct Copper Blue 2B
Direct blue 168 (C.I. 24185)
C.I.Direct Blue 168:C.I.24185
isodium3-[[4'-[[6-amino-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate
disodium 3-[[4'-[[6-amino-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate
4-Hydroxy-3-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphtyl]azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid disodium salt | [EINECS(EC#)]
223-308-9 | [Molecular Formula]
C34H25N5Na2O10S2 | [MOL File]
3818-60-8.mol | [Molecular Weight]
773.699 |
| Hazard Information | Back Directory | [Preparation]
3,3′-Dimethoxylbenzidine double nitriding, first with 4-Hydroxynaphthalene-1-sulfonic acid?conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling. | [Properties and Applications]
red light blue. Dark blue uniform powder. Soluble in water for deep purple, and adequate soluble in ethanol for red light purple. The strong sulfuric acid for Tracy in blue, and in purple for diluted. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick, hydrogen oxidation solution into a red wine. Mainly used for cotton, hemp, such as glue of cellulose fiber dyeing, also can be used for silk, polyamide fiber and stick/jin blended fabric dyeing.
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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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4
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3-4
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2
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2
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2
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