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Pigment Red 201

Catalog Number DYE-PIG-0386
Structure
Synonyms Duplex Bonadur Maroon 20-6660
Molecular Weight 480.4
Molecular Formula C22H14N2Na2O6S
CI Number C.I.15890
Color brilliant blue bordeaux.
Main Molecular Structure Single azo
Preparation Method 2-Amino-1-naphthalenemethanesullfonic acid diazotization, and 3-Hydroxy-2-naphthoic acid coupling. Can be made into barium, calcium salts.
Soap Micelle Bleeding Poor

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