Direct blue 9 (C.I. 24155)
- Product Name
- 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
- Formula Weight
- 818.77
- MOL File
- 6428-98-4.mol
More
Less
Direct blue 9 (C.I. 24155) Chemical Properties,Usage,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
More
Less
Direct blue 9 (C.I. 24155) Suppliers
6428-98-4, Direct blue 9 (C.I. 24155)Related Search:
Direct Blue 86
SIRIUS SUPRA BLUE
trisodium [29H,31H-phthalocyaninetrisulphonato(5-)-N29,N30,N31,N32]cuprate(3-)
DIRECT BLUE 90
DIRECT BLUE 80
C.I. Direct Blue 85
Direct blue 83 (C.I. 34230)
Direct Blue 82
tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)