Benzidine Orange. We advise all artists to research Benzidine in artist pigments regarding toxicity as it is serious. Monona Rossol's work on safety and artist pigments mentions that along with being contaminated with PCBs there are concerns about cancer causing chemicals. This color is actually used by a modern paintmaker in oils. It has abominable lightfastness and is reported to fade to a 2 or 3 on the blue wool scale.
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Benzidine Orange
PO16
Alternate Name
Dianisidine Orange
Pigment Description
Resources
PO16 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com,
Rossol, Monona. The Artist's Complete Health and Safety Guide. New York, NY : Allworth Press, 2001. The book is rather dated, updated information is available from her website.
Stats
Lightfastness
Very Poor
Not lightfast enough for us- poor.
Transparency
Semi-Opaque
Toxicity
Thought to be category of lesser concern
Treat all pigments and paints with studio safety protocols.
Chemical Name
Disazo
Dry Pigments listing PO16
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