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Pigment Red 243

Catalog Number DYE-PIG-0369
CAS Number 50326-33-5
Synonyms Red PEC-048, Red PEM-048, Suimei Scarlet FG, Scarlet G
Molecular Weight 525.96
Molecular Formula C25H20ClN3O6S
CI Number C.I.15910
Color brilliant yellow red
Lightfastness 5
Main Molecular Structure Single azo
Oleic Acid 4
Preparation Method 2-Amino-4-chloro-5-methylbenzenesulfonic acid diazotization, and 2'-Methoxy-3-hydroxy-2-naphthanilide coupling, and then into barium salt.
Properties Good heat resistance, solvent resistance can reach level 5. In concentrated sulfuric acid for blue, orange precipitation; after dilution In the basic insurance powder solution for purple; In the acidic insurance powder solution for orange
PVC Migration 5
Soap Micelle Bleeding 2

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