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Pigment Red 200:1

Catalog Number DYE-PIG-0387
CAS Number 32041-58-0
Structure
Molecular Weight 434.85
Molecular Formula C19H15ClN2O6S
CI Number C.I.15867:1
Main Molecular Structure Single azo
Preparation Method 2-Amino-5-chloro-4-ethylbenzenesulfonic acid diazotization, and 3-Hydroxy-2-naphthoic acid coupling, and then convert it to sodium salt

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