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Pigment Violet 5

Catalog Number DYE-PIG-0334
CAS Number 22297-70-7
Structure
Synonyms Fanchon Maroon MV-7013
Molecular Weight 342.26
Molecular Formula C14H7NaO7S
CI Number C.I.58055
Color brilliant purple.
Main Molecular Structure anthraquinones
Preparation Method 1,4-Dihydroxyanthracene-9,10-dione and Boric acid where did Manganese dioxide in the presence of Sodium bisulfite with sulfonated and changed into Sodium salt.

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