Direct blue 26, trisodium salt

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

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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
Standard	Acid Resistance	Alkali Resistance	Light Fastness	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