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Direct Violet 27

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Company Name: Dynasty Colourants Co., Ltd.  
Tel: 86 0574 27862107 27862719
Email: info@dynasty-color.com
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Direct Violet 27 Basic information
Product Name:Direct Violet 27
Synonyms:Direct Violet 27;2,7-Naphthalenedisulfonic acid, 3-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt;C.I. Direct violet 27;C.I.Direct Violet 27:C.I.22460
CAS:6426-64-8
MF:C32H24N5NaO11S3
MW:773.74
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Product Categories:
Mol File:6426-64-8.mol
Direct Violet 27 Structure
Direct Violet 27 Chemical Properties
EPA Substance Registry SystemC.I. Direct Violet 27 (6426-64-8)
Safety Information
MSDS Information
Direct Violet 27 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applicationspurple. Soluble in water for red light purple, and adequate soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted for purplish red color. The dye solution to join strong hydrochloric acid for purplish red color, have precipitation; Add thick sodium hydroxide solution for red wine.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 4-5 2-3 1-2 1-2
Direct Violet 27 Preparation Products And Raw materials
Raw materials1-Naphthol-3,6-disulfonic acid-->Benzidine-->J acid
Tag:Direct Violet 27(6426-64-8) Related Product Information
[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt 2-Naphthalenesulfonic acid, 4-hydroxy-3-[2-[2-methoxy-5-methyl-4-[2-(3-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2) 3-[[2,5-Dimethyl-4-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]naphthalene-1,5-disulfonic acid disodium salt DIRECT VIOLET 22 trisodium 3-[[4-[[6-(anilino)-1-hydroxy-3-sulphonato-2-naphthyl]azo]-5-methoxy-o-tolyl]azo]naphthalene-1,5-disulphonate 4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt AZO BLUE 4-Amino-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid disodium salt DIRECTVIOLET32