C.I. Direct violet 4

Product Name
C.I. Direct violet 4
CAS No.
6472-95-3
Chemical Name
C.I. Direct violet 4
Synonyms
Direct Violet 4;C.I. Direct violet 4;C.I.Direct Violet 4:C.I.22555;2-Naphthalenesulfonic acid, 7-amino-3-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, disodium salt
CBNumber
CB42494948
Molecular Formula
C32H22N6Na2O8S2
Formula Weight
728.66202
MOL File
6472-95-3.mol
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C.I. Direct violet 4 Property

EPA Substance Registry System
C.I. Direct Violet 4 (6472-95-3)
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Hazard and Precautionary Statements (GHS)

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C.I. Direct violet 4 Chemical Properties,Usage,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

dark red light purple. Soluble in water for wine red, and adequate soluble in alcohol for product red. In the dark for the strong sulfuric acid, diluted Red sauce for.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 1 5 3 1-2 2

C.I. Direct violet 4 Preparation Products And Raw materials

Raw materials

Preparation Products

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C.I. Direct violet 4 Suppliers

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6472-95-3, C.I. Direct violet 4Related 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 AZO BLUE 4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt 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

  • 2-Naphthalenesulfonic acid, 7-amino-3-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, disodium salt
  • C.I. Direct violet 4
  • C.I.Direct Violet 4:C.I.22555
  • Direct Violet 4
  • 6472-95-3