Solubilised Vat Green 21
Name:C.I.Solubilised Vat Green 21,C.I.59051
Molecular Structure: Pyrene class
Molecular Formula:C28H16Cl2N2Na2O8S2
Molecular Weight: 689.45
CAS Registry Number:6054-59-7
Manufacturing Methods : see soluble VAT dye general methods namely: (a) in the presence of Pyridine , with Chlorosulfonic acid treatment VAT dye (C.I. 5905) leuco; (b) VAT dye (C.I. 5905) in Pyridine with metal (such as copper, iron or cast) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing. Above two kinds of circumstances are alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: green
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 5 | 7-8 |
List of Suppliers:
Anthrasol Green 13G( Hoechst A G )
[…] C.I.Solubilised Vat Green 21 […]