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Pigment Red 99

Catalog Number DYE-PIG-0429
CAS Number 5850-85-1
Structure
Molecular Weight 342.37
Molecular Formula C17H14N2O4S
CI Number C.I.15570
Color red.
Lightfastness General
Main Molecular Structure Single azo
Oleic Acid Insoluble
Preparation Method 2-Methyl-3-aminobenzenesulfonic acid diazotization, and Naphthalen-2-ol coupling, and then into barium salt.

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