Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 94,C.I.73360

Molecular Structure: Thioindigo

C.I.Pigment Red 94,C.I.73360,393.31,C18H10Cl2O2S2,Helio Fast Toner3 BN

Molecular Formula:C₁₈H₁₀Cl₂O₂S₂

Molecular Weight: 393.31

CAS Registry Number:

Manufacturing Methods : 6-Bromo-4-methylbenzo[b]thiophen-3(2H)-one {(use of carboxy amide route (FIAT1313, 2192) or with Herz sulfur dichloride method (FIAT 764 – PB 25626, fr. 2069) system} oxidation.

Properties and Applications:red. Insoluble in water, ethanol and acetone. In concentrated sulfuric acid for red, then turned green and red after diluted; In nitric acid for red; In the basic insurance powder solvent for yellow; In the acidic insurance powder solvent fade. And C.I.Vat Red 1 the same chemical structure.

List of Suppliers:

Helio Fast Toner3 BN(Bayer Group)