dye|World dye variety

Name:C.I.Vat Red 47,C.I.73305

Molecular Structure: Thioindigo class

C.I.Vat Red 47,C.I.73305,CAS 6492-68-8,365.26,C16H6Cl2O2S2,Indanthren Brilliant Rubine RB

Molecular Formula:C₁₆H₆Cl₂O₂S₂

Molecular Weight: 365.26

CAS Registry Number:6492-68-8

Manufacturing Methods : (a)chloride in nitrobenzene cold C.I. Vat Red 41 (C.I. 73300), and heating the resulting intermediate product; (b) will be in boiling nitrobenzene 2-(3-Chlorophenylthio)acetic acid loop and oxidation (BP 6490/07, US 848354).

Properties and Applications: blue light pink to blue light red. Rosy purple paste content. Insoluble in water, soluble in Xylene to red, yellow fluorescence. In concentrated sulfuric acid for green, dilution after red flocks; In concentrated nitric acid to blue light red. Alkaline reduction leuco for yellow; Acid reduction leuco for pale yellow. Mainly used for cotton, wool, silk dyeing and printing.

List of Suppliers:

Indanthren Brilliant Rubine RB( Cassella Farbwerke Mainkur AG )