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Appearance: Greenish-yellow powder with a bright, pure hue
Hue: Medium yellow with a distinct greenish tint; greener than Pigment Yellow 12 and significantly greener than Pigment Yellow 13
Pigment Yellow 74 is a monoazo organic pigment, chemically named 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide, CAS number 6358-31-2, molecular formula C18H18N4O6, and molecular weight 386.36. Its density is 1.33 g/cm³, melting point 293℃, boiling point 577.2℃ (760 mmHg), flash point 302.9℃, and water solubility is less than 0.1 g/100 mL (20℃). It has a bright yellow or greenish-yellow hue and belongs to the monoazo yellow product series, possessing vibrant color and high tinting strength.
Synonyms: Naphthol Red, Permanent Red F3RK, Permanent Red F5RK, Permanent Red Brown HFMC.I. Number: 12475 CAS Number: 2786-76-7 EINECS Number: 220-509-3
Inks: Primary application; offset printing, gravure printing, water-based inks, and publishing inks; produces vivid colors
Stationery and Educational Supplies: Watercolors, oil paints, crayons, and markers
Solubility: Insoluble in water; slightly soluble in ethanol and toluene; exhibits a blue-red color in concentrated sulfuric acid; forms a yellow-red precipitate upon dilution
Hiding power: High opacity
Appearance: Bright red to dark red powder, neutral with a slight yellowish-red tint
Hue: Standard neutral red; yellowish tint slightly more pronounced than PR112; high saturation