Basic information Safety Supplier Related

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

Basic information Safety Supplier Related

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

Product Name:
trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate
Synonyms:
  • 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
  • C.I.Direct Blue 148:C.I.34135
  • Direct Blue 148
CAS:
3841-15-4
MF:
C37H22N7Na3O10S2
MW:
857.71079
EINECS:
223-334-0
Mol File:
3841-15-4.mol
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trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate Usage And Synthesis

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 Supplier