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Direct blue 26, trisodium salt

Direct blue 26, trisodium salt Structure
CAS No.
7082-31-7
Chemical Name:
Direct blue 26, trisodium salt
Synonyms
Direct Blue 26;C.I.Direct Blue 26:C.I.31930;Direct blue 26, trisodium salt;C.I. Direct blue 26, trisodium salt;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
CBNumber:
CB72497652
Molecular Formula:
C44H29N6Na3O14S3
Molecular Weight:
1030.89717
MOL File:
7082-31-7.mol
Modify Date:
2024/12/18 14:08:57
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Direct blue 26, trisodium salt Properties

EPA Substance Registry System C.I. Direct Blue 26, trisodium salt (7082-31-7)

Direct blue 26, trisodium salt Chemical Properties,Uses,Production

Preparation

3,3′-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 Applications

red 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 materials

6-Amino-4-hydroxy-2-naphthalenesulfonic acid 4,5-dihydroxynaphthalene-1-sulphonic acid O-Tolidine

Preparation Products

7082-31-7(Direct blue 26, trisodium salt)Related Search:

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
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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 7082-31-7