Acid Blue 38
Name:C.I.Acid Blue 38,C.I.42150
Molecular Structure: triarylmethane class
Molecular Formula:C35H30ClN2NaO6S2
Molecular Weight: 697.2
CAS Registry Number:5863-49-0
Manufacturing Methods : 2-Chlorobenzaldehyde (1 Moore) and N-benzyl-2-methylaniline (2 Moore) in the condensation sulfuric acid, then with hair smoke the product into two products sulfuric acid, reoccupy potessium dichromate-oxalic acid oxidation.
Properties and Applications: colourful green light blue. Slightly soluble in water for chrome green, slightly soluble in ethanol are blue-green. The strong sulfuric acid for olive yellow, diluted into yellowish green. Add sodium hydroxide in aqueous solution for yellow brown.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 2 | 2 | 2-3 | 3 | 1 | 4 | 3 | 2 |
List of Suppliers:
Brilliant Acid Blue B( Bayer Group )