HomePaint and MediumsGouacheUtrecht Designers GouacheUtrecht Gouache - Rose Tyrien, 14 ml tube

Utrecht Gouache - Rose Tyrien, 14 ml tube

Item #:00827-3172
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Rose Tyrien
Rose Tyrien

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Product Details

Color:
Rose Tyrien
Size:
14 ml

Pigment Information

This color contains the following pigments:

Rhodamine B Alumina Lake


Pigment Name

Rhodamine B Alumina Lake

Pigment Type

organic, fluorone dye

Chemical Name

Rhodamine B Alumina Lake

Chemical Formula

C28H31N2O3Cl

Properties

Rhodamine B is a staining violet dye that has fluorescent properties. It is extremely soluble in both water and alcohol. In art materials it is laked as a pigment. The aluminum lake is reddish in tone.

Permanence

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.

Toxicity

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

History

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.


Safety Data Sheet

UPC Code: 655802060051

ASIN #: B07SJ8RV42