Solubilised Vat Yellow 2
Name:C.I.Solubilised Vat Yellow 2,C.I.67301
Molecular Structure: anthraquinones
Molecular Formula:C28H14N2Na2O8S4
Molecular Weight: 682.68
CAS Registry Number:13109-68-7
Manufacturing Methods : (a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. Vat Yellow 2 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 Yellow 2. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.
Properties and Applications: green light yellow.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 4 | 5 | 3-4 | 4-5 | 5 | 5 | 5 |
AATCC | 5 | 5 | 4 | 4-5 | 5 |
List of Suppliers:
Arlindone Yellow GC( Arlabs Ltd )
Patcovat Supra Yellow GC ( BF Goodrich Specialty Chemicals )
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