Winsor & Newton Designers Gouache - Brilliant Purple, 14 ml tube
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Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.
Product Details
- Description:
- Designers Gouache
- Color:
- Brilliant Purple
- Size:
- 14 ml (.47 oz)
- Format:
- Tube
- No.
- 455
- Series:
- 1
- Mfg #:
- 0605455
Pigment Information
This color contains the following pigments:
PV1-Rhodamine B
Pigment Name
PV1-Rhodamine B
Pigment Type
organic, fluorone dye
Chemical Name
Rhodamine B
Chemical Formula
C28H31N2O3Cl
Properties
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.
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: 50946174
ASIN #: B0052XX87M