Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 139

Molecular Structure: Double azo

C.I.Pigment Red 139,CAS 12262-44-1,744.79,C44H36N6O6,Kayaset Red E-GR,Pigment scarlet GR

Molecular Formula:C₄₄H₃₆N₆O₆

Molecular Weight: 744.79

CAS Registry Number:12262-44-1

Manufacturing Methods : Ethyl 2-aminobenzoate diazotization, and 3-Hydroxy-2-naphthoyl chloride coupling, product (2 Moore) and Benzene-1,4-diamine condensation.

Properties and Applications:red. Red powder. Insoluble in water and ethanol. Has good light fastness and heat resistance. Mainly used in plastics and ink color, also used in polyvinyl chloride (PVC), polyethylene and viscose fiber protoplasm coloring.

List of Suppliers:

Pigment scarlet GR

Kayaset Red E-GR(Nippon Kayak u Co Ltd)