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Pigment Red 90

Catalog Number DYE-PIG-0434
CAS Number 51868-24-7
Structure
Synonyms Eosin G
Molecular Weight 647.89
Molecular Formula C20H8Br4O5
CI Number C.I.45380:1
Color brilliant red
Lightfastness General
Main Molecular Structure Xanthene
Oleic Acid PoorGood
Preparation Method Fluorescein (C.I.Acid Yellow 73,C.I.45350) in water or ethanol solution bromine into four bromine derivatives, and then into lead salt.
Soap Micelle Bleeding Bleeding

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