trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate

CAS No.
3841-15-4
Chemical Name:
trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate
Synonyms
Direct Blue 148;C.I.Direct Blue 148:C.I.34135;trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate;5-[[4-[[4-[(6-Amino-1-hydroxy-3-sulfonaphthalen-2-yl)azo]naphthalen-1-yl]azo]-6-sulfonaphthalen-1-yl]azo]-2-hydroxybenzoic acid trisodium salt
CBNumber:
CB7908495
Molecular Formula:
C37H22N7Na3O10S2
Molecular Weight:
857.71079
MDL Number:
MOL File:
3841-15-4.mol

trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate Chemical Properties,Uses,Production

Preparation

5-Amino-2-hydroxybenzoic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, and Naphthalen-1-amine coupling, product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

dark blue. Soluble in water for dark purple, slightly soluble in alcohol. The strong sulfuric acid in the dark for the light purple, diluted dark red light for blue. The dye solution to join strong hydrochloric acid have navy precipitation; Add thick sodium hydroxide solution the same color.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 5 6 4 5
AATCC 1 4 5-6 3-4 5

trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate Preparation Products And Raw materials

trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate 5-[[4-[[4-[(6-Amino-1-hydroxy-3-sulfonaphthalen-2-yl)azo]naphthalen-1-yl]azo]-6-sulfonaphthalen-1-yl]azo]-2-hydroxybenzoic acid trisodium salt Direct Blue 148 C.I.Direct Blue 148:C.I.34135 3841-15-4