Direct Blue 41
Name:C.I.Direct Blue 41,C.I.42700
Molecular Structure: triarylmethane class
C.I.Direct Blue 41,C.I.42700,CAS 1324-86-3,735.8,C40H30N3NaO6S2,Dianil Brilliant Blue 6G
Molecular Formula:C40H30N3NaO6S2
Molecular Weight: 735.8
CAS Registry Number:1324-86-3
Manufacturing Methods : C.I.Basic violet 14 (C.I. 42510) and Naphthalen-2-amine heating together, And its product disulfonated and converted to the sodium salt.
Properties and Applications: colourful green light blue. Slightly soluble in cold water, soluble in hot water for green blue, not soluble in alcohol. The strong sulfuric acid to red light brown, after diluted blue precipitation. The dye solution to join sodium hydroxide solution into violet black, accompanied by precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 1 | 1 | 1 | 1 | ||
| AATCC | 2-3 | 1 | 1 | 1 | 1 | ||
List of Suppliers:
Dianil Brilliant Blue 6G( Farbwerke vorm. Meister Lucius &Brtining )