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Solubilised Vat Green 4

Name:C.I.Solubilised Vat Green 4 ,C.I.59836

Molecular Structure: Violanthrone

C.I.Vat Green 4,C.I.59835,CAS 10126-86-0,750.70,C38H24Na2O10S2

C.I.Vat Green 4,C.I.59835,CAS 10126-86-0,750.70,C38H24Na2O10S2

Molecular Formula:C38H24Na2O10S2

Molecular Weight: 750.70

CAS Registry Number:10126-86-0

Manufacturing Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment  C.I. Vat Green 4 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 4. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications: brilliant blue light green.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 4 7 4 4 4-5 5

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