Red lake C

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A red synthetic organic colorant. Red lake C is a Diazo dye that is made by reacting beta-naphthol with the barium salt of o-chloro-m-toluidine-p-sulfonic acid. It was first synthesized in 1902 in Germany. Red lake C is bleed resistant and has better color stability than Lithol red. Red lake C is used as a colorant in plastics, rubber, and printing inks.

Synonyms and Related Terms

Pigment Red 53; CI 15585; D&C Red 9; Clarion red

Hazards and Safety

Carcinogen. Toxic by ingestion and inhalation


PR53-1 Red Lake C.jpg

Additional Information

B.Berrie, S.Q.Lomax, "Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials" in Studies in the History of Art, No.57, National Gallery of Art, Washington DC, 1997.

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