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C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B11/00—Diaryl- or thriarylmethane dyes
C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
C09B11/10—Amino derivatives of triarylmethanes
C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
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Chemical & Material Sciences
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Organic Chemistry
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Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
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Verfahren zur Darstellung eines blauen Farbstoffes aus salzsaurem Nitrosodimethylanilin und dem krystallisirten Condensationsproduct aus Tannin und Anilin