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C.I.Direct Blue 30

C.I.Direct Blue 30 Structure
CAS No.
6656-08-2
Chemical Name:
C.I.Direct Blue 30
Synonyms
C.I.31955;Direct Blue 30;Congo Fast Blue B;Direct Fast Blue B;C.I.Direct Blue 30;Direct Fast Blue CB;Pyrazol Fast Cyanine CB;C.I.Direct Blue 30:C.I.31955
CBNumber:
CB62139164
Molecular Formula:
C44H28N6Na4O16S4
Molecular Weight:
1116.9428
MOL File:
6656-08-2.mol
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C.I.Direct Blue 30 Chemical Properties,Uses,Production

Preparation

3,3′-Dimethoxylbenzidine double nitriding, first with Naphthalen-1-amine, and then three diazo, and 8-Hydroxynaphthalene-1,6-disulfonic acid (2 Moore) coupled.

Properties and Applications

dark 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 materials

o-Dianisidine 1-NAPHTHOL-3,8-DISULFONIC ACID 1-Naphthylamine

Preparation Products

6656-08-2(C.I.Direct Blue 30)Related Search:

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
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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 6656-08-2