Solubilised Vat Violet 3
Name:C.I.Solubilised Vat Violet 3 ,C.I.73396
Molecular Structure: Thioindigo class
Molecular Formula:C20H14Cl2Na2O8S4
Molecular Weight: 627.47
CAS Registry Number:10126-99-5
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 3 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 Violet 3. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: brilliant red light purple. Purple red powder. Soluble in water for red light purple. Used for dyeing cotton fabric for brilliant red light purple, and also can be used for cotton fabric direct printing, resist printing. Also can be used for silk and wool dyeing and polyester/cotton blended fabric dyeing.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 4 | 5 | 5 | 3 | 4 | 4-5 | 5 |
AATCC | 5 | 5 | 5 | 3-4 | 4 |
List of Suppliers:
Arlindone Red Violet RF( Arlabs Ltd )