Vat Red 26
Name:C.I.Vat Red 26,C.I.73340
Molecular Structure: Thioindigo class
C.I.Vat Red 26,C.I.73340,542.26,C20H14Br2O4S2,Helindone Fast Scarlet R
Molecular Formula:C20H14Br2O4S2
Molecular Weight: 542.26
CAS Registry Number:
Manufacturing Methods : C.I. Vat Orange 5 (C.I. 73335) dibromide.
Properties and Applications: yellow red. In concentrated sulfuric acid for Daisy blue, dilution after yellow red precipitation; In the basic insurance powder solution for yellow brown; In the acidic insurance powder solution for pale yellow.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 4-5 | 4-5 | 4-5 | |||
List of Suppliers:
Helindone Fast Scarlet R( Farbwerke vorm. Meister Lucius &Brtining )