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 M¢50  Funded By Mahalo ? |  September 01, 2009 03:49 PM

What is the least poisonous pigment used to make orange paint?

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pathos pathos
 
October 07, 2009 06:53 PM
Cadmium sulfide is considered non-toxic.

From Wikipedia:

"Cadmium sulfide is known as cadmium yellow (CI pigment yellow 37). By adding varying amounts of selenium as selenide it is possible to obtain a range of colors for example CI pigment orange 20 and CI pigment red 108. Synthetic cadmium pigments based on cadmium sulfide are valued for their good thermal stability, light and weather fastness, chemical resistance and high opacity. The general commercial availability of cadmium sulfide from the 1840s lead to its adoption by artists notably Van Gogh, Monet (in his London series and other works) and Matisse (Bathers by a river 1916-1919)."
Source(s):
http://en.wikipedia.org/wiki/Cadmium_sulfide
http://www.paintmaking.com/orange.htm
http://www.watercolorpainting.com/pigments.htm


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Voted as best: mahaloman
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October 07, 2009 10:03 PM - Fact Refuted
Although your source watercolorpainting.com claims cadmium orange is non-toxic, your other source paintmaking.com says it is.
This is confirmed by other sources, Cadmium is toxic and cadmium sulfide is toxic to kidneys, lungs, and liver and is carcinogenic. http://www.sciencelab.com/msds.php?msdsId=9923232

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