Solubilised Vat Black 1
Name:C.I.Solubilised Vat Black 1,C.I.73671
Molecular Structure: Thioindigo class
Molecular Formula:C20H9BrClNNa2O8S3
Molecular Weight: 648.82
CAS Registry Number:10134-35-7
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Black 1 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. Vat Black 1. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: blue light grey to blue black. Light brown to gray powder. Soluble in water, its aqueous solution for light yellow, also can soluble in organic solvent. Mainly used for the printing of the cotton fabric, can direct printing and discharge printing, discharge printing is suitable for white discharge printing, also can to a variety of fiber dyeing. Dyeing silk, wool, viscose, vinegar, such as fiber fabric, also can undertake polyester/cotton blended fabric printing.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 4-5 | 5 | 6-7 | 4-5 | 4 | 4-5 | 5 |
AATCC | 4 | 5 | 7 | 4 |
List of Suppliers:
Arlindone Grey IBL( Arlabs Ltd )