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4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Structure
4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt structure
CAS No.
6426-69-3
Chemical Name:
4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.22490;Direct Blue 58;Dianil Blue 4R;C.I.Direct Blue 58;C.I.Direct Blue 58:C.I.22490;2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4'-((2-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt;4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
CBNumber:
CB62210250
Molecular Formula:
C32H19N4Na3O12S3
Molecular Weight:
816.67717
MDL Number:
MOL File:
6426-69-3.mol
Request For Quotation

4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Properties

EPA Substance Registry System C.I. Direct Blue 58 (6426-69-3)

4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, First coupling with?4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling, again with 6-Hydroxynaphthalene-2-sulfonic acid?coupling.

Properties and Applications

dark red light blue. Soluble in water for purple. The strong sulfuric acid in blue, diluted into purple solution, then a red light purple precipitation. The dye solution to join hydrochloric acid have red light purple precipitation; Sodium hydroxide solution to a red solution.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 2 2-3 1-2 1-2

4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

Raw materials

Benzidine 1,8-Dihydroxynaphthylene-3,6-disulfonic acid 6-Hydroxynaphthalene-2-sulphonic acid

Preparation Products

6426-69-3(4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt)Related Search:

1-Naphthalenesulfonic acid, 4-amino-6-[2-[4'-[2-(5-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-, sodium salt (1:2) 1,6-Naphthalenedisulfonic acid, 8-hydroxy-7-[[4-[[4'-[(1-hydroxy-3,8-disulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-1-naphthalenyl]azo]-, tetrasodium salt 5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt 1,6-Naphthalenedisulfonic acid, 4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-1-naphthalenyl]azo]-, trisodium salt DIRECT BLUE 67
2-Naphthalenesulfonic acid, 4-hydroxy-3-4-(4-nitro-2-sulfophenyl)azo-6(or 7)-sulfo-1-naphthalenylazo-7-(phenylamino)-, trisodium salt CI NO 22610 Evans Blue 1,6-Naphthalenedisulfonic acid, 7-[[4'-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-8-hydroxy-, trisodium salt

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4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt C.I.22490 C.I.Direct Blue 58 Dianil Blue 4R 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4'-((2-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt C.I.Direct Blue 58:C.I.22490 Direct Blue 58 6426-69-3