Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 86,C.I.73375

Molecular Structure: Thioindigo

C.I.Pigment Red 86,C.I.73375,CAS 6371-26-2,482.21,C18H10Br2O2S2,Helindon Pink BN

Molecular Formula:C₁₈H₁₀Br₂O₂S₂

Molecular Weight: 482.21

CAS Registry Number:6371-26-2

Manufacturing Methods :(a) 6-Bromo-4-methylbenzo[b]thiophen-3(2H)-one oxidation; (b) (E)-4-methyl-2-(4-methyl-3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-3(2H)-one bromide.

Properties and Applications: brilliant red. Soluble in Xylene for blue light red, with yellow fluorescence. In concentrated sulfuric acid for deep green light blue, red blue after dilution flocculent precipitate; In the basic insurance powder solution for brown light yellow.

List of Suppliers:

Helindon Pink BN(Farbwerke vorm. Meister Lucius &Brtining)