Mordant Blue 28
Name:C.I.Mordant Blue 28,C.I.44535
Molecular Structure: triarylmethane class
Molecular Formula:C34H17Na3O9
Molecular Weight: 638.46
CAS Registry Number:6837-67-8
Manufacturing Methods : 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 |
List of Suppliers:
Naphthochrome Azurine B ( Ciba Specialty Chemicals Inc )
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