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4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt

4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt Structure
4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt structure
CAS No.
6472-94-2
Chemical Name:
4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt
Synonyms
C.I.22470;Heliotrope 2B;Direct Violet 36;C.I.Direct Violet 36;C.I.Direct Violet 36:C.I.22470;1,6-Naphthalenedisulfonic acid, 8-hydroxy-7-((4'-((2-hydroxy-8-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt;4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt
CBNumber:
CB32395156
Molecular Formula:
C32H23N4NaO11S3
Molecular Weight:
758.72
MDL Number:
MOL File:
6472-94-2.mol
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4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt Properties

EPA Substance Registry System C.I. Direct Violet 36 (6472-94-2)

4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first and 7-Hydroxynaphthalene-1-sulfonic acid coupling, and then and 8-Hydroxynaphthalene-1,6-disulfonic acid coupling.

Properties and Applications

bright purple. Soluble in water for red light purple jade to red, and adequate soluble in alcohol. The strong sulfuric acid for blue, pink is diluted. The dye solution to join strong hydrochloric acid for dark, precipitation; Add thick sodium hydroxide solution for wine red, have precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3 1 1 1

4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt Preparation Products And Raw materials

Raw materials

7-hydroxynaphthalene-1-sulphonic acid Benzidine 1-NAPHTHOL-3,8-DISULFONIC ACID

Preparation Products

6472-94-2(4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt)Related Search:

2-Naphthalenesulfonic acid, 5,5'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-amino-4-hydroxy-, disodium salt 4-Hydroxy-7-phenylamino-3-[[5-methyl-4-[(4-methyl-2-sodiosulfophenyl)azo]-2-methoxyphenyl]azo]naphthalene-2-sulfonic acid sodium salt C.I. Direct violet 4 AZO BLUE 3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt
1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt 6-Amino-4-hydroxy-5-[[4'-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt 4-Hydroxy-7-phenylamino-3-[[2,5-dimethyl-4-[(4-methyl-2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt N,N'-[1,1'-Biphenyl-4,4'-diylbis(azo)bis(5-hydroxy-7-sodiosulfonaphthalene-6,2-diyl)]bis(glycine sodium) salt

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4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt C.I.22470 C.I.Direct Violet 36 Heliotrope 2B 1,6-Naphthalenedisulfonic acid, 8-hydroxy-7-((4'-((2-hydroxy-8-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt C.I.Direct Violet 36:C.I.22470 Direct Violet 36 6472-94-2