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C.I.Direct Blue 30

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C.I.Direct Blue 30 Basic information
Product Name:C.I.Direct Blue 30
Synonyms:C.I.31955;C.I.Direct Blue 30;Congo Fast Blue B;Direct Fast Blue B;Direct Fast Blue CB;Pyrazol Fast Cyanine CB;C.I.Direct Blue 30:C.I.31955;Direct Blue 30
CAS:6656-08-2
MF:C44H28N6Na4O16S4
MW:1116.9428
EINECS:
Product Categories:
Mol File:6656-08-2.mol
C.I.Direct Blue 30 Structure
C.I.Direct Blue 30 Chemical Properties
Safety Information
MSDS Information
C.I.Direct Blue 30 Usage And Synthesis
Preparation3,3′-Dimethoxylbenzidine double nitriding, first with Naphthalen-1-amine, and then three diazo, and 8-Hydroxynaphthalene-1,6-disulfonic acid (2 Moore) coupled.
Properties and Applicationsdark green light blue. Soluble in water for blue, slightly soluble in ethanol for violet blue. The strong sulfuric acid for blue-ray green, dark after diluted precipitation; In nitric acid in red for black. The dye solution to join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution have blue precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 4 3 1-2 1-2
AATCC 5 4-5 2-3 3 1-2
C.I.Direct Blue 30 Preparation Products And Raw materials
Raw materialso-Dianisidine-->1-NAPHTHOL-3,8-DISULFONIC ACID-->1-Naphthylamine
Tag:C.I.Direct Blue 30(6656-08-2) Related Product Information
Direct Blue 303 4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Direct Blue 307 Direct Blue 301 Direct Blue 302 Direct Blue 306 Direct Blue 309 Direct Blue 304 Direct Blue 308