Solubilised Vat Green 2
Name:C.I.Solubilised Vat Green 2,C.I.59831
Molecular Structure: Violanthrone
Molecular Formula:C36H18Br2Na2O10S2
Molecular Weight: 880.44
CAS Registry Number:1324-72-7
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Green 2 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 Green 2. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: brilliant green. Red brown powder. Soluble in water, solubility is better. Can be used for cotton fiber dyeing and calico printing, used for direct printing, resist printing. Also can be used for wool, silk, polyester/cotton blended fabric dyeing.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 3 | 3 | 6-7 | 4-5 | 4-5 | 5 | 4 |
AATCC | 5 | 4 | 6-7 | 4-5 | 4-5 |
List of Suppliers:
Arlindone Green IGG( Arlabs Ltd )