Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 90,C.I.45380:1

Molecular Structure: Xanthene

C.I.Pigment Red 90,C.I.45380:1,CAS 51868-24-7,647.89,C20H8Br4O5,Eosin G

Molecular Formula:C₂₀H₈Br₄O₅

Molecular Weight: 647.89

CAS Registry Number:51868-24-7

Manufacturing Methods :Fluorescein (C.I.Acid Yellow 73,C.I.45350) in water or ethanol solution bromine into four bromine derivatives, and then into lead salt.

Properties and Applications:brilliant red. With C.I.Acid Red 87 chemical structure the same (lead salt).

List of Suppliers:

Eosin G