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Pigment Red 84

Catalog Number DYE-PIG-0440
CAS Number 1328-07-0
Molecular Weight 336.27
Molecular Formula C14H8O8S
CI Number C.I.58210
Color brilliant blue light red.
Lightfastness Well
Main Molecular Structure anthraquinones
Oleic Acid Insoluble
Preparation Method (a) 1,2,4-Trihydroxyanthracene-9,10-dione Manganese dioxide in the presence of Sodium sulfite and pressure in processing; (b) C.I.Mordant Red 3 (C.I. 58005) with Nitric acid and where did Sulfuric acid treatment and translated into sodium salt. Finally into aluminum salt lake.
Properties The chrome complex as maroon. In concentrated sulfuric acid for red orange, dilute the same.
Soap Micelle Bleeding Slightly

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