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Pigment Red 53

Catalog Number DYE-PIG-0471
CAS Number 2092-56-0
Structure
Synonyms Lake Red C,Bronze Scarlet T
Molecular Weight 398.8
Molecular Formula C17H12Cl2NaO4S
CI Number C.I.15585
Color brilliant red light orange
Lightfastness Poor to General
Main Molecular Structure Single azo
Oleic Acid Well
Preparation Method 2-Amino-5-chloro-4-methylbenzenesulfonic acid diazotization, and Naphthalen-2-ol coupling.
Properties Slightly soluble in water and ethanol, not soluble in acetone and benzene. Pigment aqueous solution with concentrated hydrochloric acid has dark red precipitation.
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