Solubilised Vat Green 3
Name:C.I.Solubilised Vat Green 3 ,C.I.69501
Molecular Structure: anthraquinones
C.I.Solubilised Vat Green 3 ,C.I.69501,CAS 4471-37-8,449.46,C31H15NO3
Molecular Formula:C31H15NO3
Molecular Weight: 449.46
CAS Registry Number:4471-37-8
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Green 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 Green 3. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: deep green. Navy blue powder. Soluble in water, good solubility. Have peroxide faults, make color shade darker. Dyeing cotton fiber can be in weak alkaline dyeing bath, affinity medium. Staining with sodium nitrite, color faster. In order to avoid peroxide urea or thiourea may be used. Dyeing and padding can be.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 4-5 | 8 | 4-5 | 4-5 | 4 | 4-5 |
| AATCC | 5 | 4-5 | 8 | 4-5 | 4-5 | ||
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