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Pigment Red 70

Catalog Number DYE-PIG-0447
CAS Number 5850-89-5
Synonyms ArilliantLake Scarlet YBL
Molecular Weight 364.35
Molecular Formula C17H13N2NaO4S
CI Number C.I.15590
Color brilliant yellow red.
Lightfastness Good
Main Molecular Structure Single azo
Oleic Acid Insoluble
Preparation Method 2-Amino-5-methylbenzenesulfonic acid diazotization, and Naphthalen-2-ol coupling.
Soap Micelle Bleeding Bleeding

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