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Pigment Orange 39

Catalog Number DYE-PIG-0520
CAS Number 93776-20-6
Structure
Synonyms EosinH 8G, D&C Orange No 5 Al Lake
Molecular Weight 512.08
Molecular Formula C20H9Br2NaO5
Application Mainly used for PVC and polyolefin of protoplasm coloring
CI Number C.I.45370:2
Color orange
Lightfastness General
Main Molecular Structure Xanthene
Preparation Method Fluorescein (C.I. Acid Yellow 73, C.I. 45350) in the sodium hydroxide solution two bromination, and then to aluminum salt out out.
Properties Insoluble in water and ethanol. Resistance of xylene fastness is very good, fast performance is good

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