Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 66,C.I.18000:1

Molecular Structure: Single azo

C.I.Pigment Red 66,C.I.18000:1,CAS 1325-19-5,541.56,C24H19N3O8S2,Anthosin 3B Barium Toner

Molecular Formula:C₂₄H₁₉N₃O₈S₂

Molecular Weight: 541.56

CAS Registry Number:1325-19-5

Manufacturing Methods :m-Toluidine diazotization, and 4-Benzamido-5-hydroxynaphthalene-1,7-disulfonic acid coupling, and then translate into barium salt.

Properties and Applications:brilliant red. Soluble in water for red, moderate soluble in ethanol for magenta. In concentrated sulfuric acid for magenta, dilution after pink. Aqueous solution to join concentrated hydrochloric acid for magenta; Join concentrated sodium hydroxide solution for orange brown. C.I.Acid Red 108 chemical structure with the same (barium salt)

List of Suppliers:

Anthosin 3B Barium Toner(Geigy Co. Ltd)