4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt

CAS No.
6837-67-8
Chemical Name:
4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt
Synonyms
C.I.44535;Mordant Blue 28;C.I.Mordant Blue 28;Naphthochrome Azurine B;C.I.Mordant Blue 28:C.I.44535;4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt
CBNumber:
CB92257595
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
6837-67-8.mol

4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt Chemical Properties,Uses,Production

Preparation

Methane, tetrachloro – and 1-Hydroxy-2-naphthoic acid?in the presence of copper in naoh aqueous solution reaction

Properties and Applications

brilliant blue to red light navy blue. Soluble in water for royal purple. In concentrated sulfuric acid for pure blue, purple precipitation after dilution.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 4 4 3 5 5 5

4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

4-[Bis[4-hydroxy-3-(sodiooxycarbonyl)-1-naphthalenyl]methylene]-1,4-dihydro-1-oxonaphthalene-2-carboxylic acid sodium salt C.I.44535 C.I.Mordant Blue 28 Naphthochrome Azurine B Mordant Blue 28 C.I.Mordant Blue 28:C.I.44535 6837-67-8