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Pigment Red 81:6

Catalog Number DYE-PIG-0443
Molecular Weight 443.56
Molecular Formula C28H31N2O3+
CI Number C.I.45160:7
Main Molecular Structure Xanthene
Preparation Method 3-(Ethylamino)-4-methylphenol and Phthalic anhydride condensation, the product with ethanol and inorganic acid esterification, reoccupy phosphomolybdic acid lake change.

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