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It is available in more than 90 brilliant matte colors for a wide choice in sensitive graphic reproduction or fine art painting techniques. Its characteristics include covering power, opacity, and high tinting strength with fine flowing texture.
Color Swatches created using full strength/50/50 and were applied on cold press Bristol board (2 ply) material.
This Naphthol Red is a bright deep red with bluish undertones. It has an average drying time.
This Naphthol Red has fair to good lightfastness, not because of its masstone, but because it fades in tints. Not suitable for exterior use.
Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
Naphthal, Naphthol Bordeaux, Naphthol Carbamide, Naphthol Carmine, Permanent Carmine, Permanent Red.
organic, fluorone dye
Rhodamine B is a staining violet dye that has flourescent properties. It is extremely soluble in both water and alcohol. In art materials, it is laked as a pigment.
Rhodamine B, like all fluorescent dyes, is not considered to be lightfast. It is recommended for permanent works of art only if they can be adequately protected from exposure to ultraviolet light.
The fluorescent dye Rhodamine B is toxic, and its use is banned in food, textiles, and cosmetics. It is harmful if swallowed, inhaled, or absorbed through the skin. It has been shown to be carcinogenic in rats when injected subcutaneously, producing local sarcomas. However, when it is laked as a pigment it can be biologically inactive and hence non-toxic. With proper preparation, the pigment Rhodamine B Lake is considered harmless, even if ingested.
Rhodamine B, discovered in 1887, is used as a staining fluorescent dye in the biological sciences, for microscopy. It is also used as a laser dye. Because of its low cost, high tinting strength, solubility in water and alcohol, and relative stability for a fluorescent, it has sometimes been used as a food colorant, even though its use in food and cosmetics has been banned in most countries for many years. There have been several highly publicized recalls of food and cosmetic products contaminated with Rhodamine B.
Basic Violet 10, C.I. 45170, Rhodamine 610
Rhodamine B Violet is a flourescent dye that can be laked to form a semitransparent pigment.
Rhodamine B Violet is not considered permanent. All flourescent dyes fade with exposure to sunlight or ultraviolet light.
Rhodamine B Violet is used as a brightener.
Pink Lake, Red Lake, Basic Violet 10
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Material Safety Data Sheet
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