Holbein Acrylic Gouache - Opera, 20 ml tube

Pigment Information

This color contains the following pigments:

BR1:1-Rhodamine 6G

BV11:1-Fluorescent Blue-Violet BV11:1

Pigment Name

BR1:1-Rhodamine 6G

Pigment Type

organic, fluorone dye

Chemical Formula

C28H31N2O3Cl

Properties

Rhodamine 6G is a staining reddish-yellow pigment that has fluorescent properties. It is extremely soluble in both water and alcohol. Fluorescent molecules absorb light at one wavelength and emit light at a longer wavelength.

Permanence

Rhodamine 6G, like all fluorescent dyes, is not considered permanent, however it is reported  to have high stability for a fluorone dye.

Toxicity

Rhodamine 6G is toxic, however it can be biologically inactive and hence non-toxic in a lake pigment form.

History

Rhodamine dyes are often used for microscopy in the biological sciences.

Pigment Name

BV11:1-Fluorescent Blue-Violet BV11:1

Pigment Type

organic

Chemical Formula

Properties

Fluorescent pigments such as BV11:1 offer intense and brilliant effects because they absorb ultraviolet light and re-emit light at longer wavelengths.

Permanence

Like all fluorescent pigments, BV11:1 is not considered permanent. It will fade with exposure to ultraviolet light.

Toxicity

History