Name:C.I.Vat Blue 41,C.I.73040
Molecular Structure: Indigo class
Molecular Weight: 400.04
CAS Registry Number:6371-38-6
Manufacturing Methods : (a)3,5-Dichloro-N-(carboxymethyl)anthranilic acid and Acetic anhydride reaction, with Sodium hydroxide product processing, then use air oxidation; (b) in Acetic anhydride and Sodium acetate trihydrate existence, 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in Acetic acid glacial chloride in four (FIAT 764). Commodity dyes for the three and tetrachloro indigo dye mixture.
Properties and Applications: red light blue. Insoluble in Etanol. In concentrated sulfuric acid to blue light green, dilution after blue precipitation; In the basic insurance powder solution for yellow.
|Standard||Ironing Fastness||Chlorine bleach||Light Fastness||Mercerized||Oxygen bleach||Soaping|
List of Suppliers:
Mitsui Tsuya Brilliant Indigo B ( Mitsui Toatsu Chemicals Ltd )