Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 216,C.I.59710

Molecular Structure: fused ring

C.I.Pigment Red 216,C.I.59710,CAS 1324-33-0,71838-93-2,406.43,C30H14O2,Paliogen Red 3530

Molecular Formula:C₃₀H₁₄O₂

Molecular Weight: 406.43

CAS Registry Number:1324-33-0/71838-93-2

Manufacturing Methods :(a) in 1-Nitrobenzene or Chlorosulfonic acid will be 8,16-Pyranthrenedione brominated; (b) 1-(2-Methyl-9,10-dioxoanthracene-1-yl)-2-methylanthracene-9,10-dione Brominated.

Properties and Applications:red. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, Xylene for yellow, with green fluorescent, insoluble in alcohol. In concentrated sulfuric acid for blue, orange precipitation; after dilution In the basic insurance powder solution for purple; In the acidic insurance powder solution for orange. And C.I.Vat Orange 4 and the same chemical structure.

List of Suppliers:

Paliogen Red 3530 ( BASF Aktiengesellschaft )

Pigment Red 216(CPMA)