Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Orange 39,C.I.45370:2

Molecular Structure: Xanthene

C.I.Pigment Orange 39,C.I.45370:2,CAS 93776-20-6,512.08,C20H9Br2NaO5,EosinH 8G,D&C Orange No 5 Al Lake

Molecular Formula:C₂₀H₉Br₂NaO₅

Molecular Weight: 512.08

CAS Registry Number:93776-20-6

Manufacturing Methods :Fluorescein (C.I. Acid Yellow 73, C.I. 45350) in the sodium hydroxide solution two bromination, and then to aluminum salt out out.

Properties and Applications:orange. With C.I. Acid Orange 11 and chemical structure the same (aluminum salt).

List of Suppliers:

D&C Orange No 5 Al Lake (C14-038)( Sun Chemical Corp. )

EosinH 8G( IG Farbenindustrie AG )