Direct Blue 11
- CAS No.
- Chemical Name:
- Direct Blue 11
- Synonyms
- Direct Blue 11;C.I.Direct Blue 11:C.I.30350
- CBNumber:
- CB19702908
- Molecular Formula:
- Molecular Weight:
- 0
- MDL Number:
- MOL File:
- Mol file
Direct Blue 11 Chemical Properties,Uses,Production
Preparation
2,5-Dichlorobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, 4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and accidentally coupled nitrogen compounds, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling.
Properties and Applications
dark blue. Soluble in water for dark green light blue, soluble in ethanol, insoluble in acetone and other organic solvents. The concentrated sulfuric acid is light to dark gray light blue, diluted dark red light for blue, precipitation. The dye solution to join a little red sulfuric acid 10%; Add thick sodium hydroxide solution to become red become colourful.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 5 | 4 | 2 | 3-4 | 3 | ||
AATCC | 5 | 4 | 1-2 | 4 | 1 |
Direct Blue 11 Preparation Products And Raw materials
Raw materials
Preparation Products
(Direct Blue 11)Related Search:
tetrasodium 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonate]
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Diindolo[3,2-b:3',2'-m]triphenodioxazinetrisulfonic acid, 8,18-dichloro-5,15-dihydro-, trisodium salt
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tetrasodium 2-[[2-amino-6-[[4-[[4-[(3-carboxylato-4-hydroxyphenyl)azo]-7-sulphonato-1-naphthyl]azo]-2,5-dimethoxyphenyl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate
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Direct Blue 11
C.I.Direct Blue 11:C.I.30350