C.I. Direct blue 38, trisodium salt

CAS No.
1324-83-0
Chemical Name:
C.I. Direct blue 38, trisodium salt
Synonyms
Direct Blue 38;C.I.Direct Blue 38:C.I.30090;C.I. Direct blue 38, trisodium salt
CBNumber:
CB82494234
Molecular Formula:
C38H29N9O11S3.3Na
Molecular Weight:
952.87
MDL Number:
MOL File:
Mol file

C.I. Direct blue 38, trisodium salt Properties

EPA Substance Registry System C.I. Direct Blue 38, trisodium salt (1324-83-0)

C.I. Direct blue 38, trisodium salt Chemical Properties,Uses,Production

Preparation

6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid diazo, in acid conditions coupled with Benzene-1,3-diamine, 4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, again in alkaline conditions and accidentally coupled nitrogen compounds.

Properties and Applications

dark blue. For a blue-black soluble in water, soluble in ethanol is shallow purple. The strong sulfuric acid for blue, shallow purple for diluted. The dye solution to join strong hydrochloric acid have violet and precipitation; With strong sodium hydroxide solution for dark purple.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4-5 2 1-2 1-2

C.I. Direct blue 38, trisodium salt Preparation Products And Raw materials

C.I. Direct blue 38, trisodium salt Direct Blue 38 C.I.Direct Blue 38:C.I.30090 1324-83-0