A very toxic white. It is made with antimony and barium sulfate. However as a historical aside (since it is so rarely used) it interesting to note that it was often mixed with zinc oxide, so that is perhaps an additional consideration for oil painters.
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Antimony Oxide White
PW11
Alternate Name
Timonox
Pigment Description
Resources
PW11 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com
CAMEO Materials Database: Conservation & Art Materials Encyclopedia Online, Museum of Fine Arts Boston. (Accessed June 2025). Antimony White https://cameo.mfa.org/wiki/Antimony_white. Museum of Fine Arts Boston.
Stats
Toxicity
Highly Toxic
Toxic, more information at Cameo. Contains toxic heavy metals, toxic by many forms of exposure. Please see the work of relevant experts as well as SDS.
Chemical Name
antimony trioxide
Sb₂O₃
Dry Pigments listing PW11
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