Solubilised Vat Orange 3
Name:C.I.Solubilised Vat Orange 3 ,C.I.59301
Molecular Structure: anthanthrone class
C.I.Solubilised Vat Orange 3 ,C.I.59301,CAS 10290-03-6,67.21,C22H8Br2Na2O8S2,Soluble Vat Brilliant orange IRK,Anthrasol Brilliant orange IRK,Cibantine Brlliant orange FRK,Sandozol Brilliant orange FRK
Molecular Formula:C22H8Br2Na2O8S2
Molecular Weight: 67.21
CAS Registry Number:10290-03-6
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Orange 3 leuco ; (b) used in Pyridine metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing C.I. Vat Orange 3. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.
Properties and Applications: red light orange. Mainly used for the cotton fabric dyeing and printing, printing, and can be directly dyed printing or white printing, also can be used for polyester/cotton blended fabric dyeing and printing, but also in viscose, PVA, silk dyeing and printing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 5 | 7 | 4-5 | 4 | 4-5 | 5 |
| AATCC | 5 | 5 | 6-7 | 4-5 | 4 | ||
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