Direct blue 9 (C.I. 24155)
- CAS No.
- 6428-98-4
- Chemical Name:
- Direct blue 9 (C.I. 24155)
- Synonyms
- C.I.24155;Direct Blue 9;C.I.Direct Blue 9;Direct blue 9 (C.I. 24155);C.I.Direct Blue 9:C.I.24155;3-Hydroxy-4-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
- CBNumber:
- CB61485688
- Molecular Formula:
- C34H27N4NaO13S3
- Molecular Weight:
- 818.77
- MOL File:
- 6428-98-4.mol
Direct blue 9 (C.I. 24155) Chemical Properties,Uses,Production
Preparation
3,3′-Dimethoxylbenzidine double nitriding, first and 3-Hydroxynaphthalene-2,7-disulfonic acid coupled , and then 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
blue. Soluble in water, soluble in alcohol. The strong sulfuric acid for blue, blue after diluted precipitation. The dye water solution is blue, to join the hydrochloric acid have precipitation of dark; Add sodium hydroxide solution for purplish red color.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3-4 | 4 | 2 | 1-2 | 2 |
Direct blue 9 (C.I. 24155) Preparation Products And Raw materials
Raw materials
Preparation Products
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Direct blue 9 (C.I. 24155)
3-Hydroxy-4-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
C.I.24155
C.I.Direct Blue 9
Direct Blue 9
C.I.Direct Blue 9:C.I.24155
6428-98-4