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Direct blue 26, trisodium salt

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Direct blue 26, trisodium salt Basic information
Product Name:Direct blue 26, trisodium salt
Synonyms:1-Naphthalenesulfonic acid, 3-((7-((4'-((1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo)-3,3'-dimethyl (1,1'-biphenyl)-4-yl)azo)-8-hydroxy-6-sulfo-2-naphthalenyl)azo)-4,5-dihydroxy-, trisodium salt;C.I. Direct blue 26, trisodium salt;Direct blue 26, trisodium salt;C.I.Direct Blue 26:C.I.31930;Direct Blue 26
CAS:7082-31-7
MF:C44H29N6Na3O14S3
MW:1030.89717
EINECS:
Product Categories:
Mol File:7082-31-7.mol
Direct blue 26, trisodium salt Structure
Direct blue 26, trisodium salt Chemical Properties
EPA Substance Registry SystemC.I. Direct Blue 26, trisodium salt (7082-31-7)
Safety Information
MSDS Information
Direct blue 26, trisodium salt Usage And Synthesis
Preparation3,3′-Dimethylbenzidine double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling, and then diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.
Properties and Applicationsred light navy blue. Soluble in water for hidden cyan, soluble in ethanol. The strong sulfuric acid for blue, shallow purple for diluted. The dye solution to join strong hydrochloric acid have hidden cyan precipitation; Add thick sodium hydroxide solution has the purple precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4-5 3 2 2-3 4
AATCC 4 2 2 1-2 2-3
Direct blue 26, trisodium salt Preparation Products And Raw materials
Raw materials6-Amino-4-hydroxy-2-naphthalenesulfonic acid-->4,5-dihydroxynaphthalene-1-sulphonic acid-->O-Tolidine
Tag:Direct blue 26, trisodium salt(7082-31-7) Related Product Information
DIRECT BLUE 218 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-, trisodium salt 7'-Amino-4-[[4-[(4-aminophenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1'-hydroxy[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt 5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt CHLORAZOL BLUE RW 6,6'-[(3,3'-Dimethyl-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxy-1-naphthalenesulfonic acid]disodium salt DIRECT BLUE 25 Direct blue 126 (C.I. 34010) 6'-Amino-1'-hydroxy-4-[[4-[(3-sodiosulfophenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt