C.I. Direct Blue, heptasodium salt
![C.I. Direct Blue, heptasodium salt Structure](CAS/20211123/GIF/6428-41-7.gif)
- CAS No.
- 6428-41-7
- Chemical Name:
- C.I. Direct Blue, heptasodium salt
- Synonyms
- Direct Blue 175;C.I.Direct Blue 175:C.I.35465;C.I. Direct Blue, heptasodium salt
- CBNumber:
- CB24794279
- Molecular Formula:
- C52H38N11NaO25S7
- Molecular Weight:
- 1464.34
- MOL File:
- 6428-41-7.mol
C.I. Direct Blue, heptasodium salt Chemical Properties,Uses,Production
Preparation
5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? (2 Moore) coupled, then double nitriding, and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupled:
Properties and Applications
navy blue. Soluble in water for dark red light blue, insoluble in organic solvents. The strong sulfuric acid for blue-ray gray, diluted dark purple solution for blue-ray, and accompanied by precipitation; In 10% of sulfuric acid for shallow dark. The dye solution to join 10% sodium hydroxide solution for shallow dark.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
AATCC | 5 | 5 | 5 | 3 | 5 |
C.I. Direct Blue, heptasodium salt Preparation Products And Raw materials
Raw materials
Preparation Products
6428-41-7(C.I. Direct Blue, heptasodium salt)Related Search:
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
6'-Amino-1'-hydroxy-4-[[4-[(3-sodiosulfophenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-3',7-disulfonic acid disodium salt
Direct Blue 183
2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4-[[4-[[4-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-4-hydroxy-, heptasodium salt
C.I. Direct Blue 184
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C.I. Direct Blue, heptasodium salt
Direct Blue 175
C.I.Direct Blue 175:C.I.35465
6428-41-7