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Pigment Red 51:1

Catalog Number DYE-PIG-0473
CAS Number 5850-87-3
Structure
Molecular Weight 342.37
Molecular Formula C17H14N2O4S
CI Number C.I.15580:1
Color yellow red.
Main Molecular Structure Single azo
Preparation Method 4-Amino-2-methylbenzetiesulfonic acid diazotization, and Naphthalen-2-ol coupling, and then convert it to calcium salt.

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